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WorksheetsHW # 3 Dilating Lines
Total questions: 8
Worksheet time: 15mins
Name
Class
Date
1.
Dilate the line y=5x - 2 by a scale factor of 4 centered at the origin
a)
y=20x - 2
b)
y=5x - 2
c)
y=20x - 8
d)
y=5x - 8
2.
Dilate the line y=1/2x + 6 by a scale factor of 1/3 with the origin as center
a)
y=1/2x + 2
b)
y=1/6x + 6
c)
y=1/2x + 12
d)
y=1/6x + 2
3.
Dilate y=3x+6 by a scale factor of 2 with (8,10) as the center of dilation.
a)
y=3x + 40
b)
y=3x - 26
c)
y=3x + 26
d)
y=3x - 40
4.
Dilate y= 2x + 10 by a scale factor of 1/2 with a center of (4,12).
a)
y=2x + 1
b)
y=2x + 7
c)
y=2x + 6
d)
y=2x + 4
5.
True or False:
When a figure is dilated, the pre-image and image are congruent.
When a figure is dilated, the pre-image and image are congruent.
a)
True
b)
False
6.
True or False:
When the center of dilation is on the line being dilated, the new line is the same as the original.
When the center of dilation is on the line being dilated, the new line is the same as the original.
a)
True
b)
False
7.
What is the slope of the line y = 6x +5
a)
5
b)
6
c)
5/6
d)
6/5
8.
What is the slope of the line y = -4x - 8
a)
-4
b)
4
c)
8
d)
-8
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