Test 5

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

2d² = 8

• 4
• -2
• -4, 4
• -2, 2

Tags

CCSS.8.EE.A.2

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 taking square roots:

5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no real solution

Tags

CCSS.HSA-REI.B.4B

Solve for x:

(x + 6)² = 49

• x=7,12

• x=±7

• x=1,-13

• x=43,-55

Tags

CCSS.8.EE.A.2

What is the correct solution to x² - 12x + 4 = 20?

• x = 12.48, -0.48

• x = 48

• x = 27, -15

• x = 12.48

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

Tags

CCSS.HSA-REI.B.4B

• 6

• -6

• 18

• -18

• 13

Tags

CCSS.8.EE.A.2

Solve: 5x² + 8 = 88

Tags

CCSS.8.EE.A.2