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Question : Solve the quadratic equation, rounding to thousandths when necessary : 2139455

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

67) Solve the quadratic equation, rounding to thousandths when necessary: 0.16x^{2} = 0.25

A) x = ±0.8i

B) x = ±1.5625

C) x = ±1.25i

D) x = ±1.25

68) Solve the equation involving a square: x^{2} + 16 = 0

A) x = ±2i

B) x = ±4i

C) x = -4i

D) x = -16i

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

**Solve by factoring.**

71) 6n^{2} + 24n = 0

A) 0

B) - 4, 24

C) - 4, 0

D) - 4

72) 10m^{2 }- 13m = 0

A) - , 0

B) , -

C) , 0

D) 0

73) 6x^{2} + 11x = 0

A) - , 11

B) 0

C) -

D) - , 0

74) 20x^{2} - 4x = 0

A) 0

B)

C) , 4

D) , 0

**SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.**

**Provide an appropriate response.**

75) Solve the following quadratic equation: x^{2} - 4x = 0

76) Solve the following quadratic equation: x^{2} - 3x = 0