1. +
White Board
Midterm Review #2!
Play by the rules and follow the directions!

2. +
What are the new
coordinates if
(4, 3) is translated
8 units left and 4
units up?

3. +
What type of
transformation
turns a preimage
onto an image?

4. +
If a point starts in
Quadrant I and is
rotated 270°
clockwise, in what
quadrant would you
be?

5. +
If a point starts in
Quadrant III and is
rotated 90°
counter-clockwise,
in what quadrant
would you be?

6. +
What type of
transformation
enlarges or
reduces a
preimage to an
image?

7. +
What makes
a dilation be
a reduction?

8. +
What makes a
dilation be an
enlargement?

9. +
In triangle XYZ, point Z
has coordinates of
(24, -7). If the triangle
undergoes a dilation
with a scale factor of ½,
what are the
coordinates of Z’?

10. + If the formula to determine the
coordinates of an image after a
dilation is:
Preimage x Scale Factor = Image
What is the formula to solve for
the scale factor in a dilation?

11. + Preimage coordinates:
A(4, 6) B(-2, 5) C(0, -3)
Image coordinates:
A’(16, 24) B’(-8, 20) C’(0, -12)
Calculate the scale factor
of the dilation!