Factoring, Solving Quadratics

Solve using the quadratic formula:

 x² + 4x - 40 = -8

MUST SHOW YOUR WORK including RADICAL FORM

and SIMPLIFIED ANSWERS for full credit!

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

Factor:
x² - 10x + 24

• (x - 6)(x - 4)

• (x + 6)(x + 4)

• (x - 12)(x + 2)

• (x - 8)(x - 3)

Solve
a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

• x = 4 or x = -5

• x = -4 or x = 5

• x = -4 or x = -5

• x = 4 or x = 5

Tags

CCSS.HSA-REI.B.4B

• x = 2 or x = 5

• x = -2 or x = 5

• x = 2 or x = -5

• x = -2 or x = -5

Tags

CCSS.HSA-REI.B.4B

• x = 4 or x = 6

• x = 3 or x = 8

• x = -12 or x = 2

• x = -1 or x = -12

Tags

CCSS.HSA-REI.B.4B

• x = 6 or x = -5

• x = -3 or x = 10

• x = -15 or x = 2

• x = -6 or x = 5

Tags

CCSS.HSA-REI.B.4B

x² + 4x - 32 = 0

• x= -8, 4

• x= 8, -4

• x= -8, -4

• x = -2, 16

Tags

CCSS.HSA-REI.B.4B

Factor and solve:

z² − 14z + 45 = 0

• z = 1, 45

• z = −1, 45

• z = −5, 9

• z = 5, 9

Tags

CCSS.HSA-REI.B.4B

Factor
x² + 9x - 36

• (x + 12)(x - 3)

• (x + 9)(x - 4)

• (x - 12)(x + 3)

• (x - 9)(x - 4)