第九章第4-5节“因式分解”检测试题ABA卷(基础知识)一、()=3a·4ab B.(x+3)(x-3)=x2-+8x-1=4x(x+2)-1 -ay=a(x-y),公因式是5a2b的是() --15ab4--20a2b3+-10a3b3+(a-b)-9y(b-a)分解因式,应提的公因式是() -+-(a-b)(x-y)2-(y-x)分解因式应为() A.(x-y)(x-y-1)B.(y-x)(x-y-1)C.(y-x)(y-x-1)D.(y-x)(y-x+1)() A.-a2b2+16B.-a2b2-+16D.(ab+16)() ++2x+-x+-4y二、(m-n)+8y(n-m)-9x3y2+12x2y2-+5a2b-+A可分解为m(x-y),--2ab+b2,a2-b2,a2b-、:(1)-; (2)21042-1042;(3)×9-×36; (4)8002-1600×798+:(1)3a2-9ab; (2)15a3b2+5a2b;(3)-3ma3-6ma2+12ma; (4)-8a2b2-4a2b+:(1)8a(x-y)2-4b(y-x);(2)5m(a-b)2-n(b-a)3;(3)27a(x+y)2-96(x+y)3; (4)-6(5x2-2y)3+3(5x2-2y):(1)16a2-9b2; (2)16x2-4y2;(3)3x3-12xy2; (4)-x4+16;(5)(2m-n)2-121(m+n)2; (6)-4(m+n)2-25(m-2n)=IR1+IR2+IR3,当R1=,R2=,R3=,I=,(能力提升)一、×-×-×( ) +b2+4a-6b+13=0,则a、b的值分别是( )=2,b=3 =-2,b=3 =-2,b=-3 =2,b=-( ) +3y2-8x+6y+1的最小值是()A.-.-2D.-+4x-7=0,则多项式6x4+11x3-7x2-3x-7的值是() .
第九章第4-5节“因式分解”检测试题AB 来自淘豆网www.taodocs.com转载请标明出处.