Transcript Factoring Review

Review Objective
The student will be able to:
Factor polynomials by choosing
the appropriate method.
SOL: A.2c
Designed by Skip Tyler, Varina High School
1. Factor.
2
5ax
- 45a
GCF = 5a
5a(x2 - 9)
5a(x - 3)(x + 3)
3
2. Factor. 32x - 50x
GCF = 2x
2
2x(16x - 25)
2x(4x - 5)(4x + 5)
3. Factor.
4
x
+
3
x
-
2
12x
GCF = x2
2
2
x (x + x - 12)
x2 (x + 4)(x - 3)
4. Factor. 12a3 - 16a2 - 16a
GCF = 4a
4a(3a2 - 4a - 4)
4a(a - 2)(3a + 2)
5. Factor.
4
-45a
-
2
135a d
-
GCF = -5
-5(9a4 + 27a2d + 8d2)
-5(3a2 + 8d)(3a2 + d)
2
40d
6. The area of a rectangle is
2
represented by 10a - 29a - 21.
What are its dimensions?
Area = Length • Width
You need to factor to determine each.
GCF = none
(5a + 3)(2a - 7)
What is the perimeter of the rectangle?
14a - 8