N/A — Exam Answers

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21
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If a new line, p , is drawn parallel to line l , which statement is true?

A
Line p must be drawn so that it can lie in the same plane as line
B
Line p must be drawn in the same plane as line
C
Line p must be perpendicular to line
D
Line p must be drawn in plane
22
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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
r sub x - axis circ cap r sub o comma 180 degrees open paren x comma y close paren
B
cap r sub o comma 90 degrees circ r sub x - axis open paren x comma y close paren
C
cap r sub o comma 180 degrees circ r sub x - axis open paren x comma y close paren
D
r sub x - axis circ cap r sub o comma 90 degrees open paren x comma y close paren
23

Which represents an exterior angle of triangle EGF ?

A
angle NEG
B
angle RFS
C
angle MEG
D
angle PEQ
26

If m angle 1 is equal to 61.8 degrees , then what is m angle 6 ?

A
128.2 degrees
B
81.8 degrees
C
61.8 degrees
D
118.2 degrees
27

Which rule represents the translation from the pre-image, triangle ABC , to the image, triangle cap A prime cap b prime cap c prime ?

A
open paren x comma y close paren rightarrow open paren x plus 7 comma y minus 6 close paren
B
open paren x comma y close paren rightarrow open paren x plus 7 comma y plus 6 close paren
C
open paren x comma y close paren rightarrow open paren x plus 6 comma y plus 7 close paren
D
open paren x comma y close paren rightarrow open paren x minus 6 comma y plus 7 close paren
28

What is the domain of the function on the graph?

A
all real numbers greater than or equal to negative 2
B
all real numbers
C
all real numbers greater than or equal to 0
D
all real numbers greater than or equal to negative 5
29

Which rigid transformation(s) can map triangle FGH onto triangle VWX ?

A
rotation, then dilation
B
reflection, then rotation
C
reflection, then translation
D
rotation, then translation
30

Which ordered pair needs to be removed in order for the mapping to represent a function?

A
1 comma negative 3
B
3 comma 7
C
negative 3 comma negative 4
D
negative 2 comma negative 1
31

What is m angle QBO ?

A
5 degrees
B
9 degrees
C
12 degrees
D
24 degrees
32

Which piece of additional information can be used to prove that triangle RST approximates triangle VUT ?

A
angle cap r is congruent to angle cap v
B
angle cap v is congruent to angle cap u
C
3ST is equal to UT
D
line segment RT is equal to line segment ST
34

Which statement is true about this transformation?

A
It can be a rigid or a nonrigid transformation depending on whether the corresponding side lengths are equal.
B
It is a rigid transformation because the pre-image and image have the same corresponding angle measures.
C
It is not a rigid transformation because the corresponding side lengths are not equal.
D
It can be a rigid or a nonrigid transformation because a pair of corresponding angles measures 90 degrees .
36

What additional information could be used to prove triangle ABC is congruent to triangle MQR using SAS? Choose two correct answers.

A
m angle cap A is equal to 64 degrees and AB is equal to MQ is equal to 31 cm
B
m angle cap q is equal to 56 degrees and line segment CB is congruent to line segment RQ
C
CB is equal to MQ is equal to 29 cm
D
AB is equal to QR is equal to 31 cm
E
m angle cap r is equal to 60 degrees and line segment AB is congruent to line segment MQ
38

Triangle NLM is reflected over the line segment as shown, forming triangle ABC Which congruency statement is correct?

A
triangle NLM is congruent to triangle BAC
B
triangle NLM is congruent to triangle BCA
C
triangle NLM is congruent to triangle CBA
D
triangle NLM is congruent to triangle CAB
39

What is the factor of dilation?

A
4 thirds
B
3 halves
C
3 fourths
D
2 thirds
40

Is there a series of rigid transformations that could map triangle RST to triangle XYT ? If so, which transformations could be used?

A
Yes, triangle RST can be reflected across the line containing line segment RT and then rotated about cap t so that cap s is mapped to cap y .
B
No, triangle RST and triangle XYT are not congruent.
C
Yes, triangle RST can be translated so that cap s is mapped to cap y and then rotated about cap s so that cap r is mapped to cap x .
D
No, triangle RST and triangle XYT are congruent but triangle RST cannot be mapped to triangle XYT using a series rigid transformations.
41

What are the coordinates of point cap A of the pre-image?

A
open paren negative 1 comma 2 close paren
B
open paren negative 9 comma 18 close paren
C
open paren negative 9 comma 6 close paren
D
open paren negative 1 comma 1 close paren

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