Congruency and Similarity Transformations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ΔOBC is similar to ΔOGT because: (choose the best answer)
ΔOBC can be dilated about point O by a scale factor of 1/2, and then rotated 90 degrees about point O.
ΔOBC can be dilated about point G by a scale factor of 1/2, and then reflected over the x- axis
They aren't similar
They map to each other with similarity transformations.
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If figure A is reflected over the x-axis and translated 2 units down and 4 units right, it is SIMILAR OR CONGRUENT to figure A''?
Congruent
Similar
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which transformation on ∆XYZ results in a triangle that is similar, but not congruent to ∆XYZ?
a translation 3 units to the right
a reflection across the line y=-2x+3
a rotation 90 degrees around the origin
a dilation centered at the origin with a scale factor to 2
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rectangle ABCD is undergoing a series of transformations. Which of the following transformations will NOT cause the resulting rectangle to maintain congruence with rectangle ABCD?
Translation 3 units left, then translation 7 units down.
Dilation by a scale factor of 3, then dilation by a scale factor of 3.
Dilation by a scale factor of 2, then dilation by a scale factor of 1/2.
Translation 4 units right, then translation 6 units up.
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The triangles are similar. Which series of transformations maps ABC onto DEF?
reflection followed by a dilation
rotation followed by a dilation
translation followed by a dilation
translation followed by a rotation
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.
Yes. A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.
Yes. A dilation with center (0,0) and a scale factor of 2 maps ABC to ADE.
Yes. A translation 2 units up and 4 units right maps ADE to ABC.
No. ABC is not similar to ADE.
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Yes. A dilation with center (0,0) and a scale factor of 1/2 maps ABC to ADE.
Yes. A dilation with center (0,0) and a scale factor of 2 maps ABC to ADE.
Yes. A translation 2 units up and 4 units right maps ADE to ABC.
No. ABC is not similar to ADE.
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
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