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WorksheetsFactoring Review (or RETAKE)
Total questions: 127
Worksheet time: 8hrs 38mins
Factor using GCF or monomial factoring:
2n2-8n3
2n2(n-4n2)
2n2(1-4n)
2n3(10-8n2)
3n(1-4n)
The factored form of m2 + 6m + 5 is
(m+2)(m+ 3)
true
false
x2 + 9x - 36
x2 - 36
x2 - 49
12x3y4z2+14x4yz-6x5y4z2
p2 - 14p
6m2+16m
2(3m2+8m)
2m(3m+8)
2m(3m−8m)
not factorable
6m2+16m
2(3m2+8m)
2m(3m+8)
2m(3m−8m)
not factorable
p2−14p
p(1−14)
2p(p−7)
p2(1−14)
p(p−14)
4x2−6x
4x(x−2)
2x(x−3)
x(4x−6)
2x(2x−3)
3x+12x2
3x(1+4x)
x(3x+12)
3(x+4x)
3x(4x)
18x2−9x
18x(x−2)
9x(9x−1)
9x(2x−1)
3x(6x−3)
x2−4x
(x+2)(x−2)
x2(x−4)
4x(x−1)
x(x−4)
36x−9
9(4x)
3(12x−3)
(6x+3)(6x−3)
9(4x−1)
18x2+12x
2x(9x+6)
6x(3x+2)
18x(x−6)
12x(6x+1)
x2 + 5x − 7 = 0
What are the values of a, b, and c?
a = 1, b = 5, c = 7
a = 1, b = 5, c = −7
a = 0, b = 5, c = −7
a = 1, b = −5, c = −7
3x2 + 5x − 7 = 3
What are the values of a, b, and c?
a = 3, b = 5, c = −7
a = 3, b = 5, c = −4
a = 3, b = 5, c = −10
a = 3, b = 5, c = 7
56x3 − 8x
8x2(56x3−8x)
8x(7x2−1)
8x(7x3−x)
8x2(35x3−x)
x2 + 18x + 81
Solve by factoring:
x2 + 2x - 24 = 0
x = -6, x = 4
x = 6, x = -4
x = 12, x = -2
x = 8, x = -3
Convert x2 - 9x + 20 = 0 to factored form and solve.
(x-10)(x+2)=0; x = -2, 10
(x+4)(x+5)=0; x = -5, -4
(x-4)(x-5)=0; x = 4, 5
Not factorable
Solve 5x2 = 13x+6
x = -3, x = 2/5
x = -2, x = 15
x = 3, x = -2/5
x = 2, x = -15
Solve the quadratic equation x2+7x=0
Hint: Factor a GCF!!
Solve the equation by factoring.
{−3, −4}
{−6, −1}
{8, 1}
{−1, −2}
Solve the equation by factoring.
{2, −1}
{−5, 5}
{−4, 1}
{−8, 6}
Solve by factoring. z2 + 81 = 18z
Solve:
k2 - 2k = 24
k = -4, 6
k = -4, -6
k = -6, 1
k = 4, -6
Solve by factoring.
6x2+17x=24+7x
{43, 3}
{−1.4}
{−34, 3}
{34, −3}
{−34, 4}
x2 + 2x - 24 = 0
Solve by factoring.
x2 - 6x - 27 = 0
x = 3 or x = 9
x = 3 or x = -9
x = -3 or x = 9
x = -3 or x = -9
2x² - 3x - 2 = 0
What is the next step in solving after getting the quadratic in factored form?
(x + 2)(x - 3) = 0
Plug in zero for x
Multiply the binomials
FOIL
Set each binomial factor equal to zero
Select the solution(s) for the quadratic: x2−11x+19=−5
3
8
-9
-3
Find the solutions to 3x2 + 18x +10= -5
x = -5 and -1
x = 5 and 1
x = 0 and 5
x = -2 and 4
Solve:
3x2 + 18x +15 = 0
Hint: Factor GCF first.
x = 3, 2
x = 5, 1
x = -5, -1
x = -3, -2
Factor by using the GCF:
x2 - 14x
x(x - 14x)
2x(x - 7)
x2(x - 14)
x(x - 14)
Factor by GCF:
6x2 + 16x
2(3x2 + 8x)
2x(3x + 8)
2x(3x + 8x)
not factorable
Factor using the GCF : -21x+35
-7(3x - 5)
7(-21x2 + 35)
28(-3x2 + 5x)
7(3x - 5)
(x + 5)(x - 4)
(3x – 1)(x + 5)
(x-7)2
Find the GCF: 6m2 - 16m
2
2m
2m2
m
Find the GCF: 8r3 + 16r2
4r2
8r2
8
4
56a3-8a
n2 + 16n + 63
k2 -2k - 24
x2 + 2x - 24
x2 + 25x + 24
x2 - 9
Which is a common factor of 12x and 27?
x
12
3
9
Factor using GCF or monomial factoring:
2n2-8n3
2n2(n-4n2)
2n2(1-4n)
2n3(10-8n2)
3n(1-4n)
10x³ - 15x
Factor using GCF or monomial factoring:
2x + 18
2(x + 9)
2(x + 8)
2(2x + 9)
cannot be factored
Factor using GCF or monomial factoring:
x2 - 5x
1(x - 5)
x(x - 5x)
x(x - 5)
x2(1 - 5)
What is the GCF of the terms below?
24x3 + 36x2
8x
6x2
12x2
4x
12x3
Find the GCF of the terms of each polynomial.
72y5 + 18y2
y2
4y5
18y
18y2
Factor using GCF or monomial factoring:
w3 + 3w
3w(1)
w(w2 + 3)
w3(w + 3)
Expand (x-2)(x-3)
x2 - 6x + 5
x2 - 6x - 5
x2 - 5x - 6
x2 - 5x + 6
WHAT IS THE FACTOR OF 9X+45?
9X
9X(1+ 5)
9(X+5)
9(X+45)
What is the factor of 6x2-24x?
6x(x-4)
6x(x-24x)
6(x2-24x)
6x2(1-24x)
Which is a common factor of 12x and 27?
x
12
3
9
10x³ - 15x
Factor using GCF or monomial factoring:
2x + 18
2(x + 9)
2(x + 8)
2(2x + 9)
cannot be factored
Factor using GCF or monomial factoring:
x2 - 5x
1(x - 5)
x(x - 5x)
x(x - 5)
x2(1 - 5)
It is a number, a variable or a combination of a number and a variable which can be found in each term of a given polynomial.
Common Monomial Factor
Difference of Two Squares
Sum and Difference of Two Cubes
Perfect Square Trinomials
What is the common monomial factor of 6x3+3x2−12x ?
3
2x
3x
3x2
k2+7x+10
n2 + 16n + 63
k2 -2k - 24
3v2 - 4v - 7
3a2 + 4a + 1
4n2-17n-15
x2 + 9x - 36
r2 -16r + 60
x2 -16x + 48
Factor:
2x² + 3x - 9
2(x + 3)(x - 3)
(2x - 3)²
(x + 3)(2x - 3)
(2x + 3)(x - 3)
5x2 - 7x + 2
3x2 + 10x - 8
x2 + 9x - 36
a2 - a - 12
Factor: m² - 81
(m + 9)(m + 9)
(m - 9)(m - 9)
(m + 9)(m - 9)
(m + 9)²
n2 + 10n + 25
x2 - 15x + 50
x2 + 7x - 30
x2 + 9x - 36
a2 - a - 12
r2 -16r + 60
x2 - 5x - 36
n2 + 16n + 63
x2 - 9
(x + 3)2
(x + 3) (x - 3)
(x - 3)2
x + 3(x - 3)
4x2 - 25
(2x + 5) (2x - 5)
(2x - 5)2
(2x + 5)2
2x + 5(2x - 5)
Factor completely.
x2 - 144
( x - 12 ) 2
( x - 12 ) ( x - 12 )
( x + 12 ) ( x + 12 )
( x + 12 ) ( x - 12 )
x2 + 18x + 81
n2 + 5n - 6
