Algebra Unit 12 Review

Solve by square roots.

5b² - 4 = 41

• b = ±9

• b = ±3

• b = ±8

• No Real Number Solution

Solve by square roots.

k² - 6 = 43

• k = √37

• k = ±37

• k =±7

• No Real Number Solution

Solve by square roots.

3x² = -60

• No Real Number Solution

• x= √20

• x= √60

• x= ±√30

Solve by square roots.

-7(x + 3)² + 63 = 0

• x = 0, 6

• x = -6, 12

• x = -6, 0

• x = 6, 12

Solve by factoring

x² + 2x - 24 = 0

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Solve by factoring

x² + 9x + 20 = 0

• x = -2, x = -10

• x = -3, x = -4

• x = -4, x = -5

• x = -4, x = -6

Solve by factoring:

(x - 3)(x + 6) = 0

• x= -3, x= -6

• x= 3, x= -6

• x= -3, x= -6

• x= 3, x= 6

Solve by factoring:

(2x + 5)(5x - 2) = 0

• x= -5/2, x= -2/5

• x= -5/2, x= 2/5

• x= 5/2, x= 2/5

• x= 5/2, x= -2/5

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Solve by factoring

n² - 2n = 0

• n = 2 and 0

• n = -2 and 0

• n = 2

• n = 0