Last Review Semester 1 Alg 2

What Does i² equal

• 1
• -1
• 0
• 10

Whats the First Step of solving by Factoring

• take square root
• Make two sets of parenthesis
• Set equation equal to 0
• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B

Factor:

x² + 11x + 24

• (x + 6)(x + 4)

• (x + 12)(x + 2)

• (x - 8)(x - 3)

• (x + 8)(x + 3)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
x² - 10x + 24

• (x - 6)(x - 4)
• (x + 6)(x + 4)
• (x - 12)(x + 2)
• (x - 8)(x - 3)

Tags

CCSS.7.EE.A.1

Factor (hint...take out the greatest common factor first)
2c² + 2c - 84

• (c-6)(2c+14)
• (c+7)(2c-12)
• (c-4)(2c+21)
• 2(c+7)(c-6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor: 4x² - 20x + 25

• (4x - 25) (x -1)
• (2x + 5) (2x - 5)
• (2x - 5)²
• (4x - 5) (x - 5)

Tags

CCSS.HSA.APR.C.4

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Solve for x by factoring.

• -6, -2
• -2, 6
• 2, 6
• -6, 2

Tags

CCSS.HSA-REI.B.4B

Solve  7x²  - 28x = 0

• x = 4, x = 7
• x = 0, x  = 4
• x = 0, x = -4
• x = -4, x = -7

Tags

CCSS.HSA-REI.B.4B