Solving Quadratic by GCF

Solve by Factoring Completely: 3x² + 18x +15 = 0 Hint: Factor GCF first.

• x=5 x=-1

• x=3 x = 1

• x= -5 x= - 1

• x= -5 x = 1

Tags

CCSS.HSA-REI.B.4B

Solve      3x² - 192 = 0

• -32 or 32

• No Solution

• -8 or 8

• -64 or 64

Tags

CCSS.8.EE.A.2

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

• x = -1

  x = -20

• x = 5

  x = 1

• x = 0

  x = -4

• x = 0

  x = -5

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Solve by factoring. (HINT: Factor GCF 1st)

• x = 3, x = -6

• x = 0, x = 2

• x = 2, x = 3

• x = -2, x = 1

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Solve:

3x² + 18x +15 = 0

Hint: Factor GCF first.

• x = 3, 2

• x = 5, 1

• x = -5, -1

• x = -3, -2

Tags

CCSS.HSA-REI.B.4B