Transformations and Similarity
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A'(9,9) B'(18,18) C'(27,9)
A'(6,6) B'(9,9) C'(12,6)
A'(0,0) B'(3,3) C'(6,0)
A'(1,1) B'(2,2) C'(3,1)
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.
(5,3)
(20,12)
(-20,-12)
(-5,-3)
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
∆BCD contains the points: B(2,3) C(2,1) D(5,1). If the triangle is reflected across the x-axis, what will B' be?
B'(2, -3)
B'(-2, 3)
B'(-2, -3)
B'(2, 3)
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does similar mean?
corresponding sides are proportional and corresponding angles are congruent
corresponding sides and angles are congruent
sames shape
neither sides or angles are congruent
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the Transformation
Translation
Rotation
Reflection
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the statements is true about the graphed triangles?
They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the rule for the dilation pictured below?
(x, y) → (½x, ½y)
(x, y) → (x + 2, y + 2)
(x, y) → (2x, 2y)
(x, y) → (2x, 3y)
Tags
CCSS.HSG.CO.A.2
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