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.

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TEKS.MATH.7.5A

The pair of figures is similar. Find the missing side.

• x = 20
• x = 12
• x = 5
• x = 4

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TEKS.MATH.7.5A

TEKS.MATH.7.5C

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Tags

TEKS.MATH.7.5A

Does the image show a Dilation?

• Yes
• No

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

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

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

Under the dilatation with scale factor of 1/4, the transformed image is enlarged.

• True
• False

Tags

TEKS.MATH.7.5A

TEKS.MATH.7.5C

Polygon ABCDE will be dilated by a scale factor of 2.  Which statement is NOT true of the dilation?

• The corresponding angles of the two polygons will be equal.
• The dilation will be an enlargement.
• The original and the image will be congruent.
• Polygon A'B'C'D'E' will be proportional to polygon ABCDE. 

Tags

TEKS.MATH.7.5A