Question 1

What is the rule for reflecting in the x-axis?

Accepted Answer

keep x, change [the sign of] y

Answer

switch x and y, then change [the sign of] y

Answer

switch x and y, then change [the sign of] x

Answer

keep y, change [the sign of] x

Question 2

In the accompanying diagram, which transformation results in $	riangle RIT ightarrow 	riangle R'I'T'$ ?

Accepted Answer

$\left(x,y\right) \rightarrow \left(x+6, y - 4\right) $

Answer

$\left(x,y\right) \rightarrow \left(x-4, y + 6\right) $

Answer

$\left(x,y\right) \rightarrow \left(x-6, y + 4\right) $

Answer

$\left(x,y\right) \rightarrow \left(x+4, y - 6\right) $

Question 3

Which choice correctly describes the Image of B?

Accepted Answer

Image D is the result of a $180\degree$ rotation about the origin.

Answer

Image A is the result of a $-90\degree$ rotation about the origin.

Answer

Image C is the result of a $90\degree$ rotation about the origin.

Answer

Image D is the result of a reflection over the line $y =- x$.

Question 4

In a rigid motion, ______ and _____ are preserved.

Accepted Answer

distance and angle measure

Answer

distance and size

Answer

size and orientation

Answer

orientation and angle measure

Question 5

When Sam looks at her reflection in the mirror, what does she notice?

Accepted Answer

Her reflection is the same size and has the opposite orientation.

Answer

Her reflection is not the same size and has the opposite orientation.

Answer

Her reflection is not the same size and has the opposite orientation.

Answer

Her reflection is the same size and has the same orientation.

Question 6

A translation moves $P(3,5)$ to $P'(6,1)$. What are the coordinates of the image of point $(-3,-5)$ under the same translation?

Accepted Answer

$(0,-9)$

Answer

$(-6,-1)$

Answer

$(-9,0)$

Answer

$(6,1)$

Question 7

The reflection image of $\overline{LO}$ is

Accepted Answer

$\overline{DC}$

Answer

$\overline{MN}$

Answer

$\overline{LO}$

Answer

$\overline{AB}$

Question 8

Which image point is the result of N(-4,7) after reflection in the line $y = x$?

Accepted Answer

N'(7,-4)

Answer

N'(-7,4)

Answer

N'(4,-7)

Answer

N'4,7)

Question 9

What is the smallest degree of rotation of the 5-pointed star above?

Accepted Answer

$72\degree$

Answer

$180\degree$

Answer

$50\degree$

Answer

$1800\degree$

Question 10

How many lines of symmetry does this equilateral triangle have?

Accepted Answer

3

Answer

1

Answer

2

Answer

0

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