Unit 1 Practice assessment

Point P is located at (4,3). Point P is translated 4 units left and 2 units up. What are the coordinates of point P'?

• (4,-3)

• (-4,3)

• (5,0)

• (0,5)

The preimage of point Z is located at (2,1). After undergoing a translation, the image of point Z is located at (7, -2). How was point Z translated?

• 5 units right, 4 units down

• 3 units right, 5 units down

• 5 units right, 3 units down

• 5 units left, 3 units up

Figures that undergo a translation fit which of the following:

(Check all that apply)

• Rigid motion

• preimage is similar to image

• Non-rigid motion

• preimage is congruent to image

A reflection moves all points ____________ to the line of reflection.

The preimage of point A is at (3,1). a reflection of point A was performed and the image is located at (-1,-3). What is the line of reflection?

• x-axis

• y = -x

• y-axis

• y = x

What is the line of reflection?

• Line of reflection is a line that bisects an figure creating two symmetrical halves.

• Line of reflection is the line across which a figure or point is reflected.

• Line of reflection is a line on a coordinate plane that mirrors either the x- or y- axes.

• Line of reflection is a line that continually approaches a given curve but does not meet it at any finite distance

In a rotation, points and figures move in ___________ .

Point Q has coordinates of (3,4). Rotate point Q 90 degrees counterclockwise about the origin. What are the coordinates of Q'?

• (4, -3)

• (-4,3)

• (3,-4)

• (-3,-4

Point G' is located at (2, -5). Its preimage, point G, underwent a 180 degree rotation. What are the coordinates of point G?

• (5, 2)

• (-2, -5)

• (-2, 5)

• (-5, 2)

In terms of congruency and rigid motion, a dilation is considered to be:

• rigid and congruent

• rigid and similar

• non-rigid and similar

• non-rigid and congruent