Quadratic Functions Worksheet - Algebra 2, Part 1 Practice Test A (Page 4 of 5) in pdf

Quadratic Functions Worksheet - Algebra 2, Part 1 Practice Test A Page 4

Objective 4: Distributed Practice

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17. Solve the equation for 0 

 1

 2cos

< 2

. 4cos

18. A particular sound wave is modeled in the laboratory with the function

Graph the function in the interval from 0 to 2. describe how it is different than the graph of y = sin(x).

19. The equation

models the height h in centimeters after t seconds of a set of keys attached to the

end of a spring that has been stretched and then released. When will the set of keys first be 3 centimeters above the

resting position?

a. 1.6 seconds

b. 1 second

c. 3.3 seconds

d. 2 seconds

20. A small airplane is approaching an airport as shown in the diagram. Find the distance marked d in the diagram.

Explain your method for finding the distance.

Plane

8000 ft

40°

Airport

21. Howard is flying a kite and wants to find its angle of elevation. The string on the kite is 32 meters long and the kite

is level with the top of a building that he knows is 28 meters high. Find the angle of elevation. Show your work.

Algebra 2 Quadratic Functions Part 1 PTA

Quadratic Functions Worksheet - Algebra 2, Part 1 Practice Test A Page 4