Question : MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question : 2139464

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

83) Solve the equation: 6x² = -12x

A) x = 0, 2

B) x = 0, -2

C) x = 0, 6

D) x = 0, 12

84) Solve the equation: 9x² = 4x

A) x = 0,

B) x = 0, -

C) x = 0, ±

D) x = 0, i

85) Solve the equation: 6x² = -12x

A) x = 0, -2

B) x = 0, 6

C) x = 0, 2

D) x = 0, 12

86) Solve the following quadratic by factoring: 2x² –– 6x = 0.

A) x = -3

B) x = 3

C) x = 0, 3

D) x = 0, -3

87) Solve the following quadratic by factoring: 5x² = 20x.

A) x = 4, 5

B) x = 0, 4, 5

C) x = 4

D) x = 0, 4

ESSAY. Write your answer in the space provided or on a separate sheet of paper.

88) In working the problem x² = 4x, Sharon began by dividing both sides of the equation by x to get the new equation x = 4. What, if anything, is wrong with this method?

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Solve the equations by factoring.

89) x² + 7x - 44 = 0

A) -11, 4

B) 11, -4

C) -11, 1

D) 11, 4

90) x² + 6x = 16

A) -8, 1

B) 8, -2

C) -8, 2

D) 8, 2

91) x² + 12x = -27

A) -9, 3

B) 3, 9

C) -9, -3

D) -27, -1