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Solve the quadratic equation, rounding to thousandths when necessary

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: 0.16x2 = 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: x2 + 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) 6n2 + 24n = 0

A) 0

B) - 4, 24

C) - 4, 0

D) - 4

72) 10m2 - 13m = 0

A) - , 0

B) , -

C) , 0

D) 0

73) 6x2 + 11x = 0

A) - , 11

B) 0

C) -

D) - , 0

74) 20x2 - 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: x2 - 4x = 0

76) Solve the following quadratic equation: x2 - 3x = 0

Solution
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Mathematics 8 Months Ago 168 Views
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