Quadratic Functions — Unit test

Question 1

a. c. b. d. No triangle satisfies the given conditions. Please select the best answer from the choices provided

Revolt · Accepted Answer

C

Question 2

A small plane is 4 miles by land away from the airport. The angle of elevation from the airport to the airplane is ? What is the altitude of the plane? Round your answer to the nearest tenth of a mile. a. 0.1 mile c. 35.1 miles b. 0.5 mile d. 8.6 miles Please select the best answer from the choices provided

Revolt · Accepted Answer

B

Question 3

If , find .a.c.b.d.

Revolt · Accepted Answer

D

Question 4

Find the value of the cosine for .a.c.b.d.

Revolt · Accepted Answer

C

Question 5

Find cos–10.9455 to the nearest degreea.26°c.19°b.71°d.41°

Revolt · Accepted Answer

C

Question 6

A surveyor is standing 550 feet from the base of a redwood tree in the California Redwood Forest. The tree is 362 feet tall. Sketch a drawing that models the situation and then find the angle of elevation of the top of the tree from the spot where the surveyor is standing. a. 48.8o b. 33.4o c. 56.6o d. 41.0o Please select the best answer from the choices provided

Revolt · Accepted Answer

B

Question 7

Determine the value of (cosine of 79 degrees, and 15 minutes). In this case, minutes are 1/60 of a degree. a. 0.186524036 c. 0.4852913584 b. 0.268954236 d. 0.7394832568 Please select the best answer from the choices provided

Revolt · Accepted Answer

A

Question 8

Evaluate the function requested. Write your answer as a fraction in lowest terms. Find sin A. a. c. b. d. Please select the best answer from the choices provided

Revolt · Accepted Answer

B

Question 9

Determine the three reciprocal trigonometric ratios of the angle. a. c. b. d. Please select the best answer from the choices provided

Revolt · Accepted Answer

B

Question 10

Find the angle with a tangent ratio of 0.6009.a.51°c.31°b.39°d.59°

Revolt · Accepted Answer

C

Quadratic Functions — Unit test Answers

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