TEKS.MATH.7.5A

Jessica has a rectangular picture. The picture is similar to a rectangle that measures 4 inches by 6 inches. What could be the dimensions of Jessica’s picture?

• 8 in. by 10 in.
• 2 in. by 3 in.
• 5 in. by 7 in.
• 12 in. by 14 in.

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

Tags

TEKS.MATH.7.5A

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

TEKS.MATH.7.5A

TEKS.MATH.9-12.III.B.3

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

TEKS.MATH.9-12.III.B.3

A dilation is which of the following: 

• An enlargement
• A reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3
• 1/3
• 8

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

The image A'B'C' is a rotation of ABC.

• True
• False

Tags

TEKS.MATH.7.5A

Solve for x.

• 3
• 5
• 6
• 9

Tags

TEKS.MATH.7.5A

Triangle ABC will be dilated using the rule (x, y)→(2x, 2y).  What will be the coordinates of C'?

• (12, -3)
• (12, -6)
• (3, -1.5)
• (8, -5)

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

TEKS.MATH.7.5A