Dilations & Translations

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

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3

Determine how to translate triangle ABC to triangle A'B'C'.

• (x+2, y-5)

• (x+2, y-9)

• (x-2, y-9)

• (x-2, y+9)

Tags

CCSS.HSG.CO.A.2

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Tags

CCSS.HSG.SRT.A.2

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Tags

CCSS.8.G.A.3

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Tags

CCSS.HSG.CO.A.2

Where would point J' be if you translated point 5 units to the left and 2 units up?

• (5, 3)
• (3, -5)
• (-5, 3)
• (-3, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• Translated 5 units down and 5 units to the right
• Translated 5 units down and 1 to the right
• Translated 8 units down and 5 units to the right
• Translated 5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2

If the trapezoid is translated by the rule (x, y − 7), what is the new ordered pair for point T?

• (-5, 2)
• (-2, 2)
• (-2, -5)
• (-9, 2)

Tags

CCSS.HSG.CO.A.2

How do you write the algebraic notation when the scale factor is 3?

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (-3x, -3y)

• (x, y) --> (x + 3, y + 3)

• (x, y) --> (3x, 3y)

Tags

CCSS.8.G.A.3