Solving Quadratic Equations (factoring, taking square root)

Solve by factoring:
x² - 7x - 30 = 0

• 3, 10
• -3, 10
• -3, -10
• 3, -10

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
x² + 12x + 32 = 0

• 4, 8
• -4, 8
• -4, -8
• 4, -8

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
2x(x - 8) = 0

• 0, 8
• 0, -8
• -2, 8
• -2, -8

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
(3x + 7)(2x - 5) = 0

• 7/3, 5/2
• -7/3, 5/2
• -7/3, -5/2
• 7/3, -5/2

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
x² - 16 = 0

• 4
• -4
• -4, 4
• 16

Tags

CCSS.8.EE.A.2

Solve by taking the square root:
x² = 49

• -7
• 7
• 49
• -7, 7

Tags

CCSS.HSA-REI.B.4B

Solve by taking the square root:
4x² = 100

• -10, 10
• -25, 25
• -5, 5
• 5

Tags

CCSS.8.EE.A.2

Solve by taking the square root:
(x + 6)² = 1

• -5, -7
• 5, 7
• 5, -7
• -5, 7

Tags

CCSS.HSA-REI.B.4B

Solve by taking the square root:
2(x - 3)² - 14 = 18

• 1, 7
• -1, 7
• -1, -7
• 1, -7

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve by completing the square:
x² - 8x + 12 = 0

• 2, 6
• -2, 6
• -2, -6
• 2, -6

Tags

CCSS.HSA-REI.B.4B