Worksheets1.1+1.2多项式
Total questions: 9
Worksheet time: 9mins
Name
Class
Date
1.
多项式x3-3x2+2x-11的常数项为 (a) .
2.
多项式8x3+3x-5的次数为 (a) .
3.
多项式 -9+8x2-2x3+21x4,x2的系数为 (a) .
4.
按x的降幂排列多项式6x2-7x3+11-2x.
a)
6x2-7x3-2x+11
b)
-7x3+6x2+11-2x
c)
7x3+6x2-2x+11
d)
-7x3+6x2-2x+11
5.
按m的升幂排列多项式2m-9m4+7m2-5.
a)
9m4-2m-7m2-5
b)
-9m4+7m2+2m-5
c)
-5+2m+7m2-9m4
d)
5-2m+7m2-9m4
6.
下列哪一个是同类项?
a)
e2g , 2eg2
b)
100eg, 0.5eg
c)
x2y4z, x y4z
d)
-8a2bd3, 0.5a2bd2
7.
(-2m+7n)+(8n-3m)=?
a)
-5m-15n
b)
5m-15n
c)
6n+4m
d)
-5m+15n
8.
ab+bc-2ab+3cd+4bc-6bc=?
a)
3ab-11bc+3cd
b)
ab-bc+3cd
c)
-ab-bc+3cd
d)
-3ab+11bc+3cd
9.
求4x2-6,5x-8x2-1,2x+3的和。
a)
12x+11x2+4
b)
-12x2+7x+10
c)
12x2+7x-4
d)
4x2+7x-7
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