Chapter 4 Review

Solve: x² -121= 0

• x = 10, 11

• x= 11, -11

• x = 12, 10

• x = 10, -10

Solve by factoring: x² +14x +48 = 0

• x = -8, 6

• x = -4, -8

• x = 8, 6

• x = -8, -6

Solve by factoring: 3x² +3x = 60

• x = -5, 4

• x = -5, -4

• x = 5, -4

• x = 5, 4

Solve by factoring: 4x² = 36

• x = 9, -9

• x = 3, -3

• x = 9, 3

• x = 9, -4

Solve by factoring: 3x² -14x - 24 = 0

• x = 4/3, x = 6

• x = -2, 4

• x = -4/3, 6

• x = 2, -4

Solve by factoring: 6x² - 23x = -20

• x = 5/2, x = 4/3

• x = -5/2, 4/3

• x = 5, 4

• x = 5, -4

Solve by factoring: 4x² +14x + 6 = 0

• x = -2, -12

• x = 2, 12

• x = -1, -3

• x = -1/2, -3

Solve by factoring: x² = 15x - 56

• x = -7, -8

• x = 7, 8

• x = 7, -8

• x = -7, 8

Solve by factoring: 5x² -80 = 0

• x = 16, -16

• x = 4, -4

• x = 8, -8

• x = 2, -2

Solve by factoring: 5x² +13x - 28 = 0

• x = -7, 20

• x = 7, -20

• x = 4, -7/5

• x = -4, 7/5