Pretest

Question 1

What is the scale factor of the dilation?

Revolt · Accepted Answer

B: 1 third

Question 2

Which graph shows a dilation?

Revolt · Accepted Answer

C: Image with description 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.

Question 3

Which graph shows a dilation?

Revolt · Accepted Answer

A: Image with description On a coordinate plane, the x and y axes range from negative 5 to positive 5 in increments of 1. 2 quadrilaterals are shown. The vertices of the larger quadrilateral are (negative 2 comma 0), (negative 5 comma 3), (1 comma 3), and (4 comma 0). The vertices of the smaller quadrilateral are (negative 1 comma 0), (negative 2 comma 1), (0 comma 1), and (1 comma 0).

Question 4

Is trapezoid ABDC the result of a dilation of trapezoid MNPQ by a scale factor of 2 fifths ? Why or why not?

Revolt · Accepted Answer

B: No, because  AB  is  2 fifths  the length  MN  but  CD  is  1 third  the length  QP .

Question 5

Is quadrilateral JKLM the result of a dilation of quadrilateral ABCD by a scale factor of 2 ? Why or why not?

Revolt · Accepted Answer

D: No, because sides  JM  and  KL  have different slopes from sides  AD  and  BC .

Question 6

Which statements are true about the parallelograms? Choose three correct answers.

Revolt · Accepted Answer

C: The length of side  MN  is  2  units.; D: The length of side  cap m prime cap n prime  is  5  units.; E: Sides  MQ  and  cap m prime cap q prime  both have the same slope,  1 .

Question 7

Which statements are true about the trapezoids? Choose three correct answers.

Revolt · Accepted Answer

B: The scale factor is  1 half .; D: The length of side  cap A prime cap d prime  is  4  units.; E: The length of side  AD  is  8  units.

Pretest Answers

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