Math 7 – Dilations Quiz
M7G3 - Dilations MOCK TEST Name_____________________________
Date ______________________________
Period_____________________________
1. With the points (-4, -2) (1, -3) (2, -5) (-1, 7).
What are the new points if the scale factor of dilation is 3?
_____________ _____________ ________________ _______________
2. With the points ( 8, 4) (-6, -6) (-10, 12) (2, -4).
What are the new points if the scale factor of dilation is [pic]?
____________ ________________ ________________ _______________
3. A playground has a fence covering an area with the coordinates (2, 3), (-3, 2), and (2, -2).
The park wants to extend the fence’s range by a scale factor of 4.
What are the new coordinates of
the new fence?
___________ ___________ __________
Graph the new fence area.
[pic]
4. If the scale factor is 1/2 or 50% the figure will be
5. If the scale factor is 3 or 300% the figure will be
6. If the scale factor is 1 or 100%, the figure will be
7. A vertex of a rectangle on the coordinate plane is (2, 3). The rectangle is dilated with the center of dilation at the origin and the new coordinate of the vertex is (8, 12).
What was the scale factor of the dilation (what did you do to change from the 1st coordinate to the 2nd coordinate)? REMEMBER – Scale factor is NEW
OLD
a. 4 b. 2 c. 3 d. ½
8. When a figure is dilated, what type of figure is created?
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