Review Translations and Dilations

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge
• Yes, reduce
• No

Tags

CCSS.8.G.A.3

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)

Tags

CCSS.8.G.A.3

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 r = 2.

• (2,4.5)
• (-8,-18)
• (8,18)
• (9,4)

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2

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

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Tags

CCSS.8.G.A.3

When you translate, (x,y+6) will move _____.

• 6 units right
• 6 units left
• 6 units up
• 6 units down

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

• (5,3), (6,2), (1,-2)
• (6,0), (9,-3), (-6,-15)
• (2/3,0), (1,-1/3), (-2/3,-5/3)
• (-1,-3), (0,-4), (-5,-8)

Tags

CCSS.8.G.A.3

Point T(9, -7) is translated by the rule (x, y) --> (x - 12, y - 11). What are the coordinates of T'?

• (-3, -18)

• (-3, 4)

• (-3, 18)

• (3, 4)

• (3, 18)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Choose the rule that was used to transform this figure.

• (x, y) --> (x - 5, y + 3)

• (x, y) --> (x + 5, y - 3)

• (x, y) --> (x + 3, y - 5)

• (x, y) --> (x - 3, y + 5)

• Not here

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