Dilations - Quiz Quiz

Question 1

What is the scale factor of the reduction?

Revolt · Accepted Answer

D: 1 half

Question 2

A square with a side length of 2 units is drawn on the coordinate plane with a vertex at the origin. Expand Image Which shows a dilation of the square by a scale factor of 2?

Revolt · Accepted Answer

C: Image with description On a coordinate plane, a square has a point at negative 4 comma 0, a point at negative 4 comma 4, a point at 0 comma 4, and a point at 0 comma 0.

Question 3

Rita drew the pre-image of circle K with a dashed line and its image after dilation with a solid line. Which shows the dilation of circle K with a scale factor of 2?

Revolt · Accepted Answer

B: Image with description On a coordinate plane, circle K has center point K at 0 comma 0 and a radius of 8. On the same coordinate plane, a circle has a center point at 0 comma 0 and a radius of 16.

Question 4

Which rule represents a dilation with respect to the origin?

Revolt · Accepted Answer

B: D sub 1 point 8 of 5 comma 10 is equal to 9 comma 18

Question 5

Which real-world transformations can be represented by dilations? Choose two correct answers.

Revolt · Accepted Answer

A: reducing a photograph to half its dimensions; E: enlarging a photograph to double the dimensions

Question 6

Triangle EFG is dilated by a scale factor of 2 to form Triangle HIJ Point E is located at (−5,−5) , point F is located at (2,−6) , and point G is located at (−2,0) What are the coordinates of H , I , and J ? Plot each point on the coordinate grid.

Revolt · Accepted Answer

[{"type":"point","points":[[-10,-10]],"label":"H"},{"type":"point","points":[[4,-12]],"label":"I"},{"type":"point","points":[[-4,0]],"label":"J"}]

Question 7

What is the scale factor of dilation?

Revolt · Accepted Answer

A: 4

Question 8

Which statement about the transformation is true?

Revolt · Accepted Answer

A: A dilation was applied because the diameter of the circle decreased.

Question 9

Which statement explains if a dilation was applied?

Revolt · Accepted Answer

B: A dilation was not applied to the fabric because the length was changed, not the width.

Dilations - Quiz Quiz Answers

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