Math Models Unit 10 - Quiz 1 (96)

The coordinates of a triangle are (1,4),(3,5) , and (0,8) . The coordinates of the translated triangle are (3,5),(5,6), and (2,9). Find the translation vector.

(2, 1)

Translate the following figure using vector 〈-2,-1〉. Choose the coordinates of the vertices of the image.

(2,-1) (-3,-2) (0,3)

Rotate the preimage and choose the coordinates of each vertex. Rotate the figure 90 degrees clockwise.

(2,-3) (2,-1) (3,-1)

The preimage is the geometric figure ____ a transformation.

before

What would the following figure look like after a reflection in a horizontal mirror? arrow to the right ----->

right ---->

A change about a point such that each part of the figure and its image are the same distance from the point, and such that all angles in the figure remain the same is called a _____.

rotation

Reflect the figure across the y -axis. Choose the coordinates of the vertices of the image.

(-1,2) (-3,2) (-1,3)

Reflect the figure across the line y=-x.Choose the coordinates of the vertices of the image.

(-2,-1) (-2,-3) (-3,-1)

Reflect the figure across the x -axis and then across the line y=x. Choose the coordinates of the vertices of the image.

(-2,1) (-2,3) (-3,1)

Rotate the preimage and choose the coordinates of each vertex. Rotate the figure 90 degrees counterclockwise.

(-2,3) (-2,1) (-3,1)

The coordinates of a triangle are (1,4),(3,5) , and (0,8) . Find the coordinates of the translated triangle if it is moved 5 units to the left and 6 unit up. Select all that apply.

(-4, 10) (-2, 11) (-5, 14)

Reflect the figure across the x -axis. Choose the coordinates of the vertices of the image.

(1,-3) (3,-2) (1,-2)

Rotate the preimage and choose the coordinates of each vertex. Rotate the figure 90 degrees counterclockwise and then 180 degrees.

(2,-3) (3,-1) (2,-1)

Reflect the figure across the line y=x. Choose the coordinates of the vertices of the image.

(2,1) (3,1) (2,3)

The coordinates of a triangle are (1,4),(3,5) , and (0,8) . Find the coordinates of the translated triangle if it is moved 3 units to the right and 1 unit up.

(6, 6) (3, 9) (4, 5)

Rotate the preimage and choose the coordinates of each vertex. Rotate the figure 180 degrees.

(-1,-2) (-3,-2) (-1,-3)

The image is the geometric figure ____ a transformation.

after

What would the following figure look like after a rotation 90 degrees counterclockwise, followed by a reflection in a horizontal mirror? arrow to the right ---->

down | | \/

A change that reverses the figure, like a mirror image, is called a ____.

reflection

A change in the position, size, or shape of a geometric figure is called a ____.

transformation

A slide from one place to another is called a ____.

translation

The coordinates of a triangle are (-6,5),(-9,2) , and (-10,9) . The coordinates of the translated triangle are (2,-2),(-1,-5) , and (-2,2). Find the translation vector.

NOT (-8, -7)

What would the following figure look like after a reflection in a vertical mirror? arrow to the right ----->

left <------

What would the following figure look like after a reflection in a horizontal mirror, followed by a rotation 90 degrees counterclockwise? arrow to the right ------>

up /\ | |

What would the following figure look like after a rotation 90 degrees counterclockwise? arrow to the right ----->

up /\ | |