Question : Solve the following quadratic using any method : 2139505

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

173) Solve the following quadratic using any method: 36x² - 144 = 0

A) x = ±2

B) x = 4

C) x = ±4

D) x = 2

174) Solve the quadratic for x: x² - dx - 2p = 0

A) x =

B) x =

C) x =

D) x =

175) A laptop case has an area of 150 in². If the length is 5 in. more than the width, find the dimensions of the case.

A) width is 15 in.; length is 20 inches

B) width is 5 in.; length is 30 inches

C) width is 6 in.; length is 25 inches

D) width is 10 in.; length is 15 inches

176) Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: 5x² + 4x = 8.

A) x = -0.93, 1.73

B) x = -0.8, 0.4

C) x = -0.4, 1.2

D) x = 0.93, -1.73

177) Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: x² + 4x + 13 = 0.

A) x = -2 + 3i, 2 - 3i

B) x = -2 + 9i, -2 - 9i

C) x = 2 + 3i, 2 - 3i

D) x = -2 + 3i, -2 - 3i

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

178) A square rug has an area of 110 ft². What is the length of one side of the rug?

179) A pipe has an interior cross sectional area of 85 cm². What is the interior diameter of the pipe? Round to the nearest tenth.