Factor and Solve by GCF

Tags

CCSS.HSA-REI.B.4B

e

f

g

h

d

c

b

a

+

x

4

11x

11

4x

44

Which method is most efficient to solve:
8x²  -  5x  = 0

• Square Roots

• Greatest Common Factor (GCF)

• Complete the Square

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

What is the greatest common factor of 48x²and 32x³?

• 8x²

• 16x²

• 16x

• 96x³

GCF of 12 and 18

• 3

• 4

• 6

• 2

What is the GCF of 20 and 24 ?

• 2

• 10

• 4

• 6

What is the first step when factoring polynomials?

• Find the GCF

• List all the terms

• Make the X and fill in the top and bottom

• Multiply a and c

Factor out the GCF:
12x + 6

• 6(2x + 1)

• 3(4x + 2)

• 6x(2x + 1)

• 2(6x + 3)

Tags

CCSS.7.EE.A.1

Factor out the GCF:
10x³ - 15x

• x(10x² - 15)

• 5x(2x² - 3)

• 5(2x³ - 3x)

• 5x²(10x - 3)