AnswersOC27 GEO-1206310-S1-Degele-VOL7006PDilations

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Triangle STV was dilated with the origin as the center of dilation to form S'T'V'.

Question illustration
A
One-third
Option A
B
Two-thirds
Option B
C
Three-halves
Option C
D
Three
Option D
2
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Which statements are true? Select three options.

A
∠F corresponds to ∠F'.
B
Segment EE' is parallel to segment FF'.
C
The distance from point D' to the origin is the distance of point D to the origin.
Option C
D
The measure of ∠E' is the measure of ∠E.
Option D
E
△DEF △D'E'F'
Option E
3

Trapezoid DEFG is dilated according to the ruleDO,4(x,y) to form the image trapezoid D'E'F'G', which is shown on the graph.

Question illustration
A
(-2, 1)
B
(-4, 2)
C
(-12, 0)
D
(-32, 16)
4

What is true about the image ΔQ'R'S'? Select three options.Which statements are true?

A
DO,2 (x,y) = (2x, 2y)
B
Side Q'S' lies on a line with a slope of -1.
C
QR is longer than Q'R'.
D
The vertices of the image are closer to the origin than those of the pre-image.
E
The distance from Q' to the origin is twice the distance from Q to the origin.
5

Which statements are true about the trapezoids? Select three options.

A
The length of side AD is 8 units.
B
The length of side A'D' is 4 units.
C
The image is larger than the pre-image.
D
Sides CD and C'D' both have the same slope, 2.
E
The scale factor is .
Option E
6

What is true about the image ΔK'L'M'? Select three options.

A
DO, 0.75 (x,y) = (0.75x, 0.75y)
B
LM is parallel to L'M'.
C
KM is shorter than K'M'.
D
The vertices of the image are closer to the origin than those of the pre-image.
E
The distance from M' to the origin is exactly half the distance from M to the origin.
7

On a coordinate plane, 2 polygons are shown. Polygon A B C D is larger than polygon A prime B prime C prime D prime and is reflected across the y-axis to form polygon A prime B prime C prime D prime.

Question illustration
A
a dilation with a scale factor less than 1 and then a reflection
B
a dilation with a scale factor less than 1 and then a translation
C
a dilation with a scale factor greater than 1 and then a reflection
D
a dilation with a scale factor greater than 1 and then a translation
8

Triangle MNP will be dilated according to the rule(x,y), where point P is the center of dilation.

Question illustration
A
(-2, 4)
B
(-2, 6)
C
(-4, 4)
D
(-4, 8)
9

On a coordinate plane, trapezoids A B D C and M N P Q are shown. The length of A B is 4 units and the length of B D is 2 units. The length of M N is 10 units and the length of N P is 6 units.

Question illustration
A
Yes, because AB and CD are each the lengths MN and QP.
Option A
B
Yes, because sides AB and CD are parallel to sides MN and QP.
C
No, because AB is the length MN but CD is the length QP.
Option C
D
No, because sides AB and CD have different slopes from sides MN and QP.
10

Which graph shows a dilation?

A
On a coordinate plane, 2 rectangles are shown. The larger rectangle is 8 units wide and 4 units high. The smaller rectangle is 4 units wide and 2 units high.
Option A
B
On a coordinate plane, a square and a rectangle are shown. The square is 2 units wide and 2 units high. The rectangle is 8 units wide and 4 units high.
Option B
C
On a coordinate plane, 2 rectangles are shown. The larger rectangle is 7 units wide and 4 units high. The smaller rectangle is 3 units wide and 2 units high.
Option C
D
On a coordinate plane, 2 rectangles are shown. The larger rectangle is 7 units wide and 4 units high. The smaller rectangle is 3 units wide and 1 unit high.
Option D

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