Practice Test Answers

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1
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Which equation represents the parabola shown on the graph?

A
x squared is equal to negative 8 y
B
x squared is equal to negative 2 y
C
y squared is equal to negative 8 x
D
y squared is equal to negative 2 x
2
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What is the measure of angle CDF ?

A
26 degrees
B
38 degrees
C
19 degrees
D
14 degrees
3

What is the measure of angle ADM ?

A
22.5 degrees
B
30.0 degrees
C
45.0 degrees
D
67.5 degrees
5

Which circle has a central angle that measures 40 degrees ?

A
Image with description A circle has a center U. X V and X Z are the chords. Angle V X Z is 40 degrees.
B
Image with description A circle has a center U. U Z and U V are the circle's radii. Angle V U Z is 40 degrees.
C
Image with description A circle has a center U. Z X is a diameter, and V X is a chord. Angle V X Z is 40 degrees.
D
Image with description A circle has a center U. Z V is a chord, and Z X is a tangent line that touches the circle at Z. Angle X Z V is 40 degrees.
8

What is the length of the diameter?

A
12 units
B
12 point 5 units
C
4 point 5 units
D
8 units
9

What are the coordinates of the focus of the parabola?

A
open paren 0 comma negative 2 close paren
B
open paren negative 2 comma 0 close paren
C
open paren 2 comma 0 close paren
D
open paren 0 comma 2 close paren
10

The measure of central XYZ angle is 3 pi over 4 radians. What is the area of the shaded sector?

A
85 pi units squared
B
32 pi units squared
C
96 pi units squared
D
256 pi units squared
12

Which equation represents a circle that is concentric with the circle shown but has a radius that is twice as large?

A
open paren x minus 4 close paren squared plus open paren y minus 6 close paren squared is equal to 4
B
open paren x minus 4 close paren squared plus open paren y minus 6 close paren squared is equal to 16
C
open paren x minus 6 close paren squared plus open paren y minus 4 close paren squared is equal to 16
D
open paren x minus 6 close paren squared plus open paren y minus 4 close paren squared is equal to 4
13

What is the measure of overarc BC ?

A
130 degrees
B
160 degrees
C
120 degrees
D
100 degrees
15

What is the approximate length of the radius, r ?

A
4 point 5 cm
B
9 point 0 cm
C
14 point 2 cm
D
28 point 3 cm
16

Which statements about the clock are accurate? Choose three correct answers.

A
The circumference of the clock is approximately 62 point 8 inches.
B
The length of the minor arc between 6 and 7 is approximately 5 point 2 inches.
C
The length of the major arc between 3 and 10 is approximately 31 point 4 inches.
D
The minor arc measure when one hand points at 12 and the other hand points at 4 is 120 degrees .
E
The central angle formed when one hand points at 1 and the other hand points at 3 is 30 degrees .
17

In circle cap y , what is m frown set over TU ?

A
82 degrees
B
118 degrees
C
106 degrees
D
100 degrees
20

What are the measures of angles cap m and cap n ?

A
m angle cap m is equal to 113 degrees and m angle cap n is equal to 61 degrees
B
m angle cap m is equal to 119 degrees and m angle cap n is equal to 67 degrees
C
m angle cap m is equal to 67 degrees and m angle cap n is equal to 119 degrees
D
m angle cap m is equal to 61 degrees and m angle cap n is equal to 113 degrees

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