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WorksheetsChapter 7 Factoring
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Factor:
24m2 +4m3
24m2 +4m3
a)
m2(24 + 4m)
b)
4m(6m + m2)
c)
4m2(6 + m)
d)
m(24m + 4m2)
2.
What is the GCF of 15n5 and 9n4?
a)
3n
b)
3n5
c)
3n2
d)
3n4
3.
Factor:
x2 - 8x + 15
x2 - 8x + 15
a)
(x + 3)(x + 5)
b)
(x - 3)(x - 5)
c)
(x + 1)(x + 15)
d)
(x - 1)(x - 15)
4.
Factor:
a2 + 14a + 49
a2 + 14a + 49
a)
(a + 7)2
b)
(a - 7)2
c)
(a - 7)(a + 7)
5.
Factor:
25y2 - 36
25y2 - 36
a)
(5y - 6)(5y + 6)
b)
5(5y2 - 36)
c)
(5y + 6)2
6.
Factor completely:
3x5 - 27x3
3x5 - 27x3
a)
x3(3x2 - 27)
b)
3x(x4 - 9x2)
c)
3x3(x - 3)(x + 3)
d)
3x3(x2 - 9)
7.
Factor completely:
8x3 + 72x2 + 160x
8x3 + 72x2 + 160x
a)
(4x2 + 80x)(4x - 80)
b)
8x(x + 4)(x + 5)
c)
8x(x + 2)(x + 10)
8.
Factor completely:
7m8 - 7
7m8 - 7
a)
7(m4 + 1)(m2 + 1)(m + 1)(m - 1)
b)
7(m4 - 1)(m4 + 1)
c)
7(m4 - 1)(m2 + 1)(m2 - 1)
9.
What value of b would make
x2 + bx + 225 a perfect square trinomial?
x2 + bx + 225 a perfect square trinomial?
a)
15
b)
112.5
c)
45
d)
30
10.
The area of a rectangular tile is x2 - 4x -21. The length of the rectangle is (x + 3). What is the width?
a)
(x - 7)
b)
(x - 3)
c)
(x + 7)
d)
(x + 3)
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