What is true about the dilation?

It has a scale factor between zero and one and is a reduction.

It has a scale factor greater than one and is a reduction.

It has a scale factor between zero and one and is an enlargement.

It has a scale factor greater than one and is an enlargement.

What is true about the dilation?

It is an enlargement with a scale factor greater than 1.

It is a reduction with a scale factor between 0 and 1.

It is a reduction with a scale factor greater than 1.

It is an enlargement with a scale factor between 0 and 1.

Segment AB is being dilated with the center at the origin. The image of A, point A', has coordinates of (3.2, 6.4). What is the scale factor of the dilation and the coordinates of point B'?

The scale factor is 0.8 and the coordinates of point B' are (–3.2, –4.8).

The scale factor is 1.25 and the coordinates of point B' are (–3.2, –4.8).

The scale factor is 0.8 and the coordinates of point B' are (–5, –7.5).

The scale factor is 1.25 and the coordinates of point B' are (–5, –7.5).

Triangle ABC is being dilated with the center of dilation at the origin. The image of C, point C' , has coordinates of (7.2, 3.6). What is the scale factor of the dilation and what are the coordinates of point A' ?

The scale factor is 1.2 and the coordinates of point A' are (–3.6, 3.6).

The scale factor is 1.2 and the coordinates of point A' are (–2.5, 2.5).

The scale factor is 5/6 and the coordinates of point A' are (–2.5, 2.5).

The scale factor is 5/6 and the coordinates of point A' are (–3.6, 3.6).

The rectangle is the image after a dilation with the center of dilation at the origin of rectangle ABCD. The pre-image of A', point A, has coordinates of (–4, 3.2). What is the scale factor of the dilation and what are the coordinates of point C?

The scale factor is 2.5 and the coordinates of point C are (–2.4, –0.8).

The scale factor is 0.4 and the coordinates of point C are (–2.4, –0.8).

The scale factor is 2.5 and the coordinates of point C are (–15, 5).

The scale factor is 0.4 and the coordinates of point C are (–15, 5).

A triangle has vertices at A(–2, 4), B(–2, 8), and C(6, 4). If A' has coordinates of (–0.25, 0.5) after the triangle has been dilated with a center of dilation about the origin, which statements are true? Check all that apply.

The coordinates of C' are (0.75, 0.5).

The coordinates of B' are (–0.25, 1).

The image of a triangle after it has been dilated with a center at the origin has vertices at A' (–12, 6), B' (6, –18), and C'. If the pre-image of A', point A, has coordinates of (–18, 9) and the pre-image of C', point C, has coordinates of (18, 12), which statements are true? Check all that apply

The coordinates of C' are (12, 8).

The coordinates of B are (9, –27).

The coordinates of B are (4, –12).

Finding Scale Factor on a Coordinate Plane

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

Finding Scale Factor on a Coordinate Plane

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which figure could be the result of dilating the trapezoid with a scale factor between 0 and 1?

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which figure could be the result of dilating this triangle with a scale factor greater than 1?

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which figure could be the result of dilating this rectangle with a scale factor between 0 and 1?

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Rectangle ABCD is dilated by a scale factor of 1/2 with a center of dilation at the origin. What are the coordinates of the image of point B' ?

(–2, 3)

(3, –2)

(–8, 12)

(12, –8)

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What are the coordinates of the image of point A after the segment has been dilated by a scale factor of 1/4 with a center of dilation at the origin?

(–2, 1)

(1, –2)

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which graph shows the result of dilating this figure by a factor of 1/3 about the origin?

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which graph shows the result of dilating this figure by a factor of 4 about the origin?

Tags

CCSS.8.G.A.3

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Finding Scale Factor on a Coordinate Plane

Which figure could be the result of dilating the trapezoid with a scale factor between 0 and 1?

Which figure could be the result of dilating this triangle with a scale factor greater than 1?

Which figure could be the result of dilating this rectangle with a scale factor between 0 and 1?

Rectangle ABCD is dilated by a scale factor of 1/2 with a center of dilation at the origin. What are the coordinates of the image of point B' ?

What are the coordinates of the image of point A after the segment has been dilated by a scale factor of 1/4 with a center of dilation at the origin?

Which graph shows the result of dilating this figure by a factor of 1/3 about the origin?

Which graph shows the result of dilating this figure by a factor of 4 about the origin?

The graph shows an image of a dilation about the origin with a scale factor of 1/2 .What are the coordinates of the pre-image of A', point A?

What is true about the dilation?

What is true about the dilation?

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The graph shows an image of a dilation about the origin with a scale factor of 1/2 .
What are the coordinates of the pre-image of A', point A?