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Worksheets

Factoring polynomials

Total questions: 38

Worksheet time: 2hrs 21mins

Name
Class
Date
1.

Factor by using the GCF:
10x2 + 15x-5

a)
25(10x3+45x-15)
b)
5(2x3 + 3x2-x)
c)
x(10x3+15x-5)
d)
5(2x2+3x-1)
2.

Factor by using the GCF:

4b5+4b3+16b2

a)

4b3(b4+b2+4b)

b)

4b3(b4+4b+5)

c)

4(b5+b3+4b2)

d)

4b2(b3+b+4)

3.
Factor:
80x5-70x2-60x7
a)
2x2(80x3-70-60x6)
b)
10x2(80x4-70x-60x6)
c)
10x2(8x3-7-6x5)
d)
3x2(80x3-40-60x5)
4.
Factor
k2+7x+10
a)
(k+2)(k+5)
b)
(k-2)(k-5)
c)
(k+10)(k+4)
d)
(k+2)(k-5)
5.
Factor
n2 + 16n + 63
a)
(n-7)(n+4)
b)
(n+7)(n-9)
c)
(n-3)(n-10)
d)
(n+7)(n+9)
6.
Factor:
v2 + 3v - 88
a)
(v + 11)(v - 8)
b)
(v + 22)(v - 4)
c)
(v + 8)(v - 11)
d)
(v - 22)(v + 4)
7.
Factor the Trinomial:
x2 - 8x + 15
a)
(x + 5) ( x + 3)
b)
(x - 5) (x - 3)
c)
(x + 15) (x - 1)
d)
(x - 7) (x - 8)
8.
Factor
n2 + 16n + 63
a)
(n-7)(n+4)
b)
(n+7)(n-9)
c)
(n-3)(n-10)
d)
(n+7)(n+9)
9.

Factor the difference of squares:
x- 25

a)
( x + 5 ) ( x - 5 ) 
b)
( x - 5 ) ( x - 5 ) 
c)
( x + 5 ) ( x + 5 ) 
d)
Prime
10.

Factor the difference of squares:

9x- 49y6

a)
( 3x + 7y3) (3x + 7y3
b)
( 3x - 7y3) (3x + 7y3
c)
( 3x - 7y3) (3x - 7y3
d)
Prime
11.
3x- 75
a)
3( x + 5 ) ( x - 5 ) 
b)
Prime
c)
( x + 5 ) ( x - 5 ) 
d)
3( x - 5 ) ( x - 5 ) 
12.
Factor: x2 + 24x + 144
a)
(x + 12)2
b)
(x + 9)2
c)
(x + 15)2
d)
(x + 13)2
13.
Factor:
 n+ 10n + 25
a)
(n + 5)(n - 5)
b)
(n + 25)(n + 1)
c)
(n - 5)2
d)
(n + 5)2
14.
Factor
3a2 + 4a + 1
a)
(7a-10)(a-8)
b)
Not factorable
c)
(3a+1)(a+1)
d)
(3a-1)(a-1)
15.
Factor:
6x2 – 19x – 7 
a)
(2x +7)(3x – 1)
b)
(1x – 1)(6x+7)
c)
(2x – 7)(3x+1)
d)
(6x – 7)(1x+1)
16.

Factor:

2x2+28x+262x^2+28x+26  

a)

2(x+13)(x+1)2\left(x+13\right)\left(x+1\right)  

b)

2(x1)(x13)2\left(x-1\right)\left(x-13\right)  

c)

(2x2)(x+13)\left(2x-2\right)\left(x+13\right)  

d)

(2x+26)(x+1)\left(2x+26\right)\left(x+1\right)  

17.

Factor:

11z2+13z+211z^2+13z+2  

a)

(11z+2)(z+1)\left(11z+2\right)\left(z+1\right)  

b)

(11z+1)(z+2)\left(11z+1\right)\left(z+2\right)  

c)

(11z1)(z2)\left(11z-1\right)\left(z-2\right)  

d)

(11z+2)(11z1)\left(11z+2\right)\left(11z-1\right)  

18.

What is the first step in factoring the given trinomial?

3a221a903a^2-21a-90  

a)

Write as two binomials

b)

Factor out the greatest common factor (GCF)

c)

Multiply a * c

d)

Write b

19.

Which expression represents 5x2+11x+2 in factored form?

a)

(x+1)(5x+2)

b)

5(x+2)(x+1)

c)

(x+2)(5x-1)

d)

(x-2)(5x-1)

20.

What method should you use to factor the polynomial?

x2 - 36

a)

Factor by Grouping

b)

Factor out the GCF

c)

Difference of Squares

d)

Difference of 2 Cubes

21.

What is ALWAYS the first step when factoring?

a)

Look for the GCF

b)

Write a, b, and c

c)

Difference of squares

d)

Group

22.
The difference of squares says
a)
a2b2 =
(a + b)(a - b)
b)
a2b2 =
(a + b)(a - b)
c)
a2b2 =
(a + b)(a + b)
d)
a2b2 =
(a - b)(a - b)
23.
Factor
k2+7x+10
a)
(k+2)(k+5)
b)
(k-2)(k-5)
c)
(k+10)(k+4)
d)
(k+2)(k-5)
24.
9x- 49y6
a)
( 3x + 7y3) (3x + 7y3
b)
( 3x - 7y3) (3x + 7y3
c)
( 3x - 7y3) (3x - 7y3
d)
Prime
25.
Which of the following is a perfect square trinomial?
a)
x2 – 4x – 4 
b)
x2 – 6x – 9 
c)
x2 + 6x – 9 
d)
x2 – 4x + 4 
26.

Put into standard form (highest exponent on the left, constant on the right):

(x - 3)2

a)
x2 + 3x + 9
b)
x2 - 3x - 9
c)
x2 + 6x - 9
d)
x2 - 6x + 9
27.

Put into standard form (highest exponent on the left, constant on the right):

(x + 6)2

a)
x2 + 6x + 12
b)
x2 + 6x + 36
c)
x2 + 12x + 6
d)
x2 + 12x + 36
28.

Factor


x2 + 18x + 81

a)

(x + 9)(x – 9)

b)

(x + 18)2

c)

(x + 9)2

d)

(x + 6)2

29.
Is this a perfect square trinomial?
x2 + 16x + 64
a)
Yes
b)
No
30.
Is this a perfect square trinomial?
x2 + 18x + 9
a)
Yes
b)
No
31.
Is this a perfect square trinomial?
x2 + 14x + 49
a)
Yes
b)
No
32.

Factor


x2 + 18x + 81

a)

(x + 9)(x – 9)

b)

(x + 18)2

c)

(x + 9)2

d)

(x + 6)2

33.
Is this a perfect square trinomial?
x2 + 10x + 100
a)
Yes
b)
No
34.
Is this a perfect square trinomial?
x2 + 18x + 9
a)
Yes
b)
No
35.

Factor

3v2 - 4v - 7

a)

(3v-7)(v+1)

b)

3(v-7)(v-1)

c)

(3v+1)(v-9)

d)

(3v+1)(v-10)

36.
Factor:
5x2 + 17x + 6   
a)
(5x + 3)(x + 2) 
b)
(5x + 2)(x + 3) 
c)
(5x + 1)(x + 6) 
d)
(5x + 6)(x + 1) 
37.
Factor:
6x2 – 19x – 7 
a)
(2x +7)(3x – 1)
b)
(1x – 1)(6x+7)
c)
(2x – 7)(3x+1)
d)
(6x – 7)(1x+1)
38.

Factor 81c2 - 100.

a)

(c - 10)(c + 10)

b)

(3c - 10)(3c + 10)

c)

(9c + 100)(9c - 100)

d)

(9c - 10)(9c + 10)