AnswersAZ-Common Core Algebra II BGraphing Tangent and Cotangent

Graphing Tangent and Cotangent — Unit test Answers

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21
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Which of the following is the graph of ?

Question illustration
A
On a coordinate plane, a curve crosses the y-axis at (0, 0). It has a maximum of 1 and a minimum of negative 1. It goes through 2 cycles at pi.
Option A
B
On a coordinate plane, a curve crosses the y-axis at (0, 0). It has a maximum of 1 and a minimum of negative 1. It goes through 1 cycle at 2 pi.
Option B
C
On a coordinate plane, a curve crosses the y-axis at (0, 0). It has a maximum of 1 and a minimum of negative 1. It goes through 2 cycles at 2 pi.
Option C
D
On a coordinate plane, a curve crosses the y-axis at (0, 1). It has a maximum of 1 and a minimum of negative 1. It goes through 2 cycles at 2 pi.
Option D
22
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Which point does the graph of the parent function pass through?

Question illustration
A
(StartFraction square root of 3 over 3 EndFraction ,StartFraction pi over 3 EndFraction)
Option A
B
(StartFraction pi over 3 EndFraction , StartFraction square root of 3 over 3 EndFraction )
Option B
C
(StartFraction pi over 3 EndFraction , square root of 3)
Option C
D
( square root of 3 , StartFraction pi over 3 EndFraction)
Option D
23

Which of the following is the equation of the function below?

Question illustration
A
y equal to 2 cosecant left-square-bracket 2 (x + pi) right-square-bracket minus 2.
Option A
B
y equal to o point 5 secant left-square-bracket 2 (x + pi) right-square-bracket minus 4.
Option B
C
y equal to 0 point 5 cosecant left-square-bracket 2 (x + pi) right-square-bracket minus 4.
Option C
D
y equal to 2 secant left-square-bracket 2 (x + pi) right-square-bracket minus 2.
Option D
24

What is the general equation of a sine function with an amplitude of 6, a period of , and a horizontal shift of ?

Question illustration
A
y = sine (8 (x minus StartFraction pi Over 2 EndFraction))
Option A
B
y = 8 sine (4 (x minus StartFraction pi Over 2 EndFraction))
Option B
C
y = 6 sine (8 (x minus StartFraction pi Over 2 EndFraction))
Option C
D
y = 6 sine (8 x) + StartFraction pi Over 2 EndFraction
Option D
25

If a vertical line is dropped from the x-axis to the point (12, –9) in the diagram below, what is the value of sec ?

Question illustration
A
Negative five-thirds
Option A
B
Negative five-fourths
Option B
C
Five-fourths
Option C
D
Five-thirds
Option D
26

A student uses the equation to represent the speed, s, in feet per second, of a toy car driving around a circular track having an angle of incline , where . To solve the problem, the student used the given value of to find the value of and then substituted the value of in the equation above to solve for s. What is the approximate value of s, the speed of the car in feet per second?

Question illustration
A
5.3
B
7.5
C
9.2
D
28.3
27

What is the amplitude of the cosine function corresponding to the secant function graphed below?

Question illustration
A
–2
B
–1
C
2
D
3
28

What is the approximate length of arc s on the circle below? Use 3.14 for . Round your answer to the nearest tenth.

Question illustration
A
5.8 ft
B
6.3 ft
C
27.5 ft
D
69.1 ft

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