Giáo án Đại số 8 chuẩn - Tiết 20+ 24: Kiểm tra 45 phút – trả bài 45 phút
Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (97.79 KB, 6 trang )
<span class='text_page_counter'>(1)</span>Ngµy so¹n: TiÕt 20 + 24. /. /. Ngµy gi¶ng:. /. /. KiÓm tra 45 phót – tr¶bµi 45 phót. I môc tiªu:. + HS Được củng cố lại những kiến thức đã học + Nắm được kiến thức của mình đến đâu, từ đó tự đánh giá được mình + BiÕt c¸ch ph©n tÝch ®a thøc thµnh nh©n tö thµnh th¹o II ChuÈn bÞ cña GV vµ HS:. - GV: Thước thẳng , bảng phụ, phấn mầu - HS : SGK, thước thẳng, phiếu học tập III. §Ò bµi PhÇn I. Tr¾c nghiÖm (3 §iÓm) Khoanh tròn vào chữ cái đầu câu khẳng định mà em cho là đúng? Câu1. Đơn thức còn thiếu trong ô trống ....... của đẳng thức: x3+12x2+ ....... +64 bằng: A. 75x B. 12x C. 48x D. 27x C©u2. Gi¸ trÞ cña biÓu thøc: x(x-1)-y(1-x) khi x=201, y=199 b»ng: A. 10000 B. 20000 C. 30000 D. 40000 C©u3. §a thøc n2+5n+7 chia hÕt cho n+2 khi tham sè n b»ng: A. -1, 3 B. -1, 3 C. 1, 3 D. -1, -3 PhÇn II. Tù luËn (7 §iÓm) C©u1. (4 §iÓm) T×m x biÕt a. x2 - 4x + 4 = 0 b. 4x2 - 9 = 0 c. x2 - 4x + 3 = 0 d. x2 - 4 + x+2 C©u2. (2 §iÓm) Lµm phÐp tÝnh: a. (2x2-3x-2):(2x+1) b. (3x2+7x+6):( x+1) C©u3. (1 §iÓm) Ph©n tÝch ®a thøc: 3 2 thµnh nh©n tö Bµi lµm ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ Lop8.net.
<span class='text_page_counter'>(2)</span> Trường THCS Đại Hoá Líp: ..................................................................................... Hä vµ tªn:........................................................................ §Ò sè: 2. Kiểm tra môn đại số 8 Thời gian: 45 phút (không kể thời gian giao đề). §iÓm. NhËn xÐt. PhÇn I. Tr¾c nghiÖm (3 §iÓm) Khoanh tròn vào chữ cái đầu câu khẳng định mà em cho là đúng? Câu1. Đơn thức còn thiếu trong ô trống ....... của đẳng thức: x3+6x2+ ....... + 8 bằng: A. 75x B. 12x C. 48x D. 27x C©u2. Gi¸ trÞ cña biÓu thøc: x(x-1)-y(1-x) khi x=201, y=199 b»ng: A. 10000 B. 20000 C. 30000 D. 40000 C©u3. §a thøc n2+7+5n chia hÕt cho n+2 khi tham sè n b»ng: A. -1, -3 B. -1, 3 C. 1, 3 D. 1, -3 PhÇn II. Tù luËn (7 §iÓm) C©u1. (4 §iÓm) T×m x biÕt a. x2 - 6x + 9 = 0 b. x2 - 9 = 0 c. x2 - 5x + 6 = 0 d. x2 - 9 + x+3 C©u2. (2 §iÓm) Lµm phÐp tÝnh: a. (2x2-x-1):(2x+1) b. (3x2+6x+7):( x+1) C©u3. (1 §iÓm) Ph©n tÝch ®a thøc: 3 2 thµnh nh©n tö Bµi lµm ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................. Lop8.net.
<span class='text_page_counter'>(3)</span> Trường THCS Đại Hoá Líp: ..................................................................................... Hä vµ tªn:........................................................................ §Ò sè: 3. Kiểm tra môn đại số 8 Thời gian: 45 phút (không kể thời gian giao đề). §iÓm. NhËn xÐt. PhÇn I. Tr¾c nghiÖm (3 §iÓm) Khoanh tròn vào chữ cái đầu câu khẳng định mà em cho là đúng? Câu1. Đơn thức còn thiếu trong ô trống ....... của đẳng thức: x3+9x2+ ....... + 27 bằng: A. 75x B. 12x C. 48x D. 27x C©u2. Gi¸ trÞ cña biÓu thøc: x(x-1)-y(1-x) khi x=201, y=199 b»ng: A. 10000 B. 20000 C. 30000 D. 40000 C©u3. §a thøc 5n+ n2+7 chia hÕt cho 2+ n khi tham sè n b»ng: A. -1, 3 B. -1, -3 C. 1, 3 D. -1, 3 PhÇn II. Tù luËn (7 §iÓm) C©u1. (4 §iÓm) T×m x biÕt a. x2 - 8x + 16 = 0 b. x2 - 4 = 0 c. x2 - 7x + 12 = 0 d. x2 - 4 + x-2 C©u2. (2 §iÓm) Lµm phÐp tÝnh: a. (2x2+7x+3):(2x+1) b. (x2+8x+6):( x+1) C©u3. (1 §iÓm) Ph©n tÝch ®a thøc: 3 2 thµnh nh©n tö Bµi lµm ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................. Lop8.net.
<span class='text_page_counter'>(4)</span> Trường THCS Đại Hoá Líp: ..................................................................................... Hä vµ tªn:........................................................................ §Ò sè: 4. Kiểm tra môn đại số 8 Thời gian: 45 phút (không kể thời gian giao đề). §iÓm. NhËn xÐt. PhÇn I. Tr¾c nghiÖm (3 §iÓm) Khoanh tròn vào chữ cái đầu câu khẳng định mà em cho là đúng? Câu1. Đơn thức còn thiếu trong ô trống ....... của đẳng thức: x3-15x2+ ....... -125 bằng: A. 75x B. 12x C. 48x D. 36x C©u2. Gi¸ trÞ cña biÓu thøc: x(x-1)-y(1-x) khi x=201, y=199 b»ng: A. 10000 B. 20000 C. 30000 D. 40000 C©u3. §a thøc n2+5n+7 chia hÕt cho n+2 khi tham sè n b»ng: A. -1, 3 B. -1, 3 C. -1, -3 D. 1, -3 PhÇn II. Tù luËn (7 §iÓm) C©u1. (4 §iÓm) T×m x biÕt a. x2 - 10x + 25 = 0 b. x2 - 25 = 0 c. x2 - 3x + 2 = 0 d. x2 - 16 + x+4 C©u2. (2 §iÓm) Lµm phÐp tÝnh: a. (2x2+5x+2):(2x+1) b. (3x2+4x+6):( x+1) C©u3. (1 §iÓm) Ph©n tÝch ®a thøc: 3 2 thµnh nh©n tö Bµi lµm ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................. Lop8.net.
<span class='text_page_counter'>(5)</span> Trường THCS Đại Hoá Líp: ..................................................................................... Hä vµ tªn:........................................................................ §Ò sè: 5. Kiểm tra môn đại số 8 Thời gian: 45 phút (không kể thời gian giao đề). §iÓm. NhËn xÐt. PhÇn I. Tr¾c nghiÖm (3 §iÓm) Khoanh tròn vào chữ cái đầu câu khẳng định mà em cho là đúng? Câu1. Đơn thức còn thiếu trong ô trống ....... của đẳng thức: x3+12x2+ ....... +64 bằng: A. 75x B. 12x C. 48x D. 36x C©u2. Gi¸ trÞ cña biÓu thøc: x(x-1)-y(1-x) khi x=201, y=199 b»ng: A. 10000 B. 20000 C. 30000 D. 40000 C©u3. §a thøc n2+5n+7 chia hÕt cho n+2 khi tham sè n b»ng: A. -1, 3 B. -1, 3 C. 1, 3 D. -1, -3 PhÇn II. Tù luËn (7 §iÓm) C©u1. (4 §iÓm) T×m x biÕt a. x2 - 2x + 1 = 0 b. 4x2 - 25 = 0 c. x2 - 12x + 36 = 0 d. x2 - 4 + x-2 C©u2. (2 §iÓm) Lµm phÐp tÝnh: a. (2x2+3x+1):(2x+1) b. (3x2+5x+6):( x+1) C©u3. (1 §iÓm) Ph©n tÝch ®a thøc: 3 2 thµnh nh©n tö Bµi lµm ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................. Lop8.net.
<span class='text_page_counter'>(6)</span> ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ ............................................................................................................................................................................................................ Lop8.net.
<span class='text_page_counter'>(7)</span>
