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Dilations
Test Description: Dilations- even not origin
Instructions: Answer all questions to get your test result.
1) With a scale factor greater than 1, the preimage will
A
stay the same (stay congruent)
B
reduce
C
enlarge
2) With a scale factor less than 1, the preimage will
A
enlarge
B
stay the same (stay congruent)
C
reduce
3) With a scale factor of 1, the preimage will
A
enlarge
B
reduce
C
stay the same (congruent)
4) If the triangle with coordinates A(2,4), B(-4,-6), and C(8,8) is dilated by a scale factor of 2, what will the coordinates of B' become?
A
(-4,-6)
B
none of the above
C
(-8,-12)
D
(-2,-3)
5) If the triangle with coordinates A(2,4), B(-4,-6), and C(8,8) is dilated by a scale factor of 2, what will the coordinates of A' become?
A
none of the above
B
(-8,-12)
C
(4,8)
D
(-2,-3)
6) If the triangle with coordinates A(2,4), B(-4,-6), and C(8,8) is dilated by a scale factor of 2, what will the coordinates of C' become?
A
(-2,3)
B
none of the above
C
(16,16)
D
(-8,-12)
7) If the triangle with coordinates A(2,4), B(-4,-6), and C(8,8) is dilated by a scale factor of 1/2, what will the coordinates of B' become?
A
(1,2)
B
(-2,-3)
C
(4,4)
D
none of the above
8) If the triangle with coordinates A(2,4), B(-4,-6), and C(8,8) is dilated by a scale factor of 1/2, what will the coordinates of A' become?
A
none of the above
B
(1,2)
C
(-2,-3)
D
(4,4)
9) If the triangle with coordinates A(2,4), B(-4,-6), and C(8,8) is dilated by a scale factor of 1/2, what will the coordinates of C' become?
A
(1,2)
B
(4,4)
C
none of the above
D
(-2,-3)
10) Square BCDE with vertices B(-3,-4), C(0,-3), D(1,-6), and E(-2,-7); scale factor: k=4, center of dilation (0,-5), find B'
A
(-12,-1)
B
none of the above
C
(0,3)
D
(-3,1)
11) Square BCDE with vertices B(-3,-4), C(0,-3), D(1,-6), and E(-2,-7); scale factor: k=4, center of dilation (0,-5), find C'
A
(-12,-1)
B
(-8,-13)
C
none of the above
D
(0,3)
12) Square BCDE with vertices B(-3,-4), C(0,-3), D(1,-6), and E(-2,-7); scale factor: k=4, center of dilation (0,-5), find D'
A
none of the above
B
(-8,-13)
C
(0,3)
D
(4,-9)
13) Square BCDE with vertices B(-3,-4), C(0,-3), D(1,-6), and E(-2,-7); scale factor: k=4, center of dilation (0,-5), find E'
A
(-8,-13)
B
(0,3)
C
(4,-9)
D
none of the above
*select an answer for all questions
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