Dilating Lines Notes
10th Grade
•11 Qs
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Dilating Lines Notes
Quiz
•
Mathematics
•
10th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Dilating point A using center C and scale factor 2.5 gives image A'. Dilating point B using center C and scale factor 2.5 gives image B'. What statements are true?
Segment A'B' is 2.5 times as long as line segment AB.
Line A'B' is not parallel Line AB.
Line A'B' is parallel to line AB.
There is not enough information.
Answer explanation
distance x scale factor means A'B' is 2.5 times larger
Dilations of lines NOT including the center point are parallel.
Tags
CCSS.HSG.CO.A.2
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Dilating point A using center C and scale factor 2.5 gives image A'. Dilating point B using center C and scale factor 2.5 gives image B'. What is the length of segment A'B'?
Answer explanation
distance x scale factor
4 x 2.5 =
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quadrilateral NDPM was dilated to quadrilateral N'D'P'M'. What was the scale factor for this dilation?
2
3
1/3
1/2
Answer explanation
pre-image / image
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the measure of angle A'B'C'?
40 degrees
75 degrees
45 degrees
60 degrees
Answer explanation
Angles do not change in dilations.
Corresponding angles in dilations are congruent.
Tags
CCSS.HSG.SRT.A.2
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What is the scale factor?
2.5
2
Answer explanation
Tags
CCSS.7.G.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
line f is dilated with a scale factor of 2 to create g. Which point is the center of dilation?
A
B
C
D
Answer explanation
f is the pre-image. g is the image
Scale factor of 2 moves f father away from D.
A doesn't work because the scale factor would need to be 1/2
B or C don't work because the are ON the lines.
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the scale factor?
Answer explanation
Tags
CCSS.7.G.A.1
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