AnswersGeometry Concepts and ConnectionsN/A

Practice Exam Answers

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What is m angle ABC ?

A
m angle ABC is equal to 127 degrees
B
m angle ABC is equal to 120 degrees
C
m angle ABC is equal to 67 degrees
D
m angle ABC is equal to 60 degrees
22
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What will be the distance from the center of dilation, cap p , to the image cap s prime ?

A
6 units
B
8 units
C
2 units
D
4 units
23

Which rule describes the transformation?

A
cap r sub 0 comma 360 degrees
B
cap r sub 0 comma 90 degrees
C
cap r sub 0 comma 180 degrees
D
cap r sub 0 comma 270 degrees
24

What is the perimeter of parallelogram WXYZ ?

A
square root of 5 plus square root of 17 units
B
2 square root of 5 plus 2 square root of 17 units
C
16 units
D
22 units
25

What is the length of segment AC ?

A
12 units
B
8 units
C
16 units
D
6 units
26

Which statements are true about trapezoid ABCD and its translated image, cap A prime cap b prime cap c prime cap d prime ? Choose two correct answers.

A
The rule for the translation can be written as cap t sub negative 3 comma 1 times open paren x comma y close paren .
B
Trapezoid ABCD has been translated 3 units to the right and 1 unit up.
C
The rule for the translation can be written as cap t sub negative 1 comma 3 times open paren x comma y close paren .
D
The rule for the translation can be written as open paren x comma y close paren rightarrow open paren x plus 1 comma y minus 3 close paren .
E
The rule for the translation can be written as open paren x comma y close paren rightarrow open paren x minus 3 comma y plus 1 close paren .
27

Which statement and reason are missing in the proof?

A
angle cap A cap b cap c is congruent to angle cap A cap y cap x ; corresponding angles of similar triangles
B
angle cap A is congruent to angle cap A ; reflexive property
C
angle cap A cap b cap c is congruent to angle cap A cap x cap y ; corresponding angles of similar triangles
D
angle cap x is congruent to angle cap x ; reflexive property
28

What is the value of x ?

A
5 point 3 7 5
B
5 point 5
C
11
D
13
29

What is m angle PHJ ?

A
160 degrees
B
140 degrees
C
120 degrees
D
100 degrees
30

Which rule describes the composition of transformations that maps triangle ABC to triangle cap A double prime cap b double prime cap c double prime ?

A
cap t sub negative 6 comma negative 2 circ cap r sub o comma 90 degrees open paren x comma y close paren
B
cap r sub o comma 90 degrees circ cap t sub negative 6 comma negative 2 open paren x comma y close paren
C
cap t sub negative 6 comma negative 2 circ r sub x - axis open paren x comma y close paren
D
r sub x - axis circ cap t sub negative 6 comma negative 2 open paren x comma y close paren
31

What are the coordinates of the image of vertex cap r after a reflection across the y -axis?

A
open paren negative 3 comma negative 4 close paren
B
open paren 3 comma 4 close paren
C
open paren 4 comma negative 3 close paren
D
open paren negative 4 comma 3 close paren

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