TEKS.MATH.8.3C

In a dilation what mathematical operation is used with the scale factor?

• addition 
• subtraction 
• multiplication 
• division 

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TEKS.MATH.8.3C

When you dilate, you ______ x and y by a number.

• Multiply
• Add
• Subtract
• Divide

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TEKS.MATH.8.3C

If A (2,6) and A' (4,12), what is the scale factor?

• 2
• 1/2
• 24
• 62

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TEKS.MATH.8.3C

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

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TEKS.MATH.8.3C

If a Scale Factor if greater than 1, then your figure gets...

• Smaller
• Bigger
• Turned upside-down
• Does not change

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TEKS.MATH.8.3C

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

• B' (2 , 4.5)

• B' (-8 ,-18)

• B' (8 ,18)

• B' (9 ,4)

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TEKS.MATH.8.3C

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

• ½
• ¼
• 4
• 2

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TEKS.MATH.8.3C

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

• ½
• ¼
• 4
• 2

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TEKS.MATH.8.3C

A figure is dilated so that point C(2, 9) becomes C'(8, 36). what is the rule for this transformation?

• (x, y) --> (1/4x, 1/4y)

• (x, y) --> (4x. 4y)

• (x, y) --> (x + 6, y + 27)

• Not here

• (x, y) --> (x - 6, y - 27)

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TEKS.MATH.8.3C

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)

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TEKS.MATH.8.3C