Alg 2 Chapter 6.8+9 Review

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Find the zeros of the equation: 
(x+10)(x-2) = 0

• 10 and 2
• -2 and 10
• -10 and 2
• -2 and -10

Solve using Zero-Product Property
(x-11)(5x+1) = 0

• x = 11 or x = -1/5
• x = -11 or x = -1/5
• x = 11 or x = 1/5
• x = -11 or x = 1/5

Solve
4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

• -2, 4
• -8
• ±8
• No real solution

• -3, 4
• 3, 4
• -4, -3
• -3

• 1.5, - 1.5

• 1.5

• -1, 1

• No real solution

Solve by taking square roots.

x² = -121

• ± 11

• ± 11i

• ± 12

• 11i

What is one of the solutions to this equation?
(2x - 1)² = 49

• 7
• -7
• -4
• -3

x² = 16

• ± 4
• ± 8
• 4
• 8