Reflections, Translations, and Dilations

Identify the transformation from ABC to A'B'C'.

• Reflection across the x-axis
• Reflection across the y-axis
• 90^o clockwise rotation
• 90^o counterclockwise rotation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Which one is a reflection over the y-axis?

• 
• 
• 
• 

Which is a dilation of 2?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8
• up 9, left 4
• down 3, right 8
• down 9, right 4

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

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.1

CCSS.8.G.A.3

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

CCSS.8.G.A.4

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

CCSS.8.G.A.3

CCSS.8.G.A.4

Find K' if the figure is reflected across the x-axis

• (4, 1))
• (-1, -4)
• (1, -4)
• (1, 4)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

If the trapezoid is reflected across the x-axis, what is the coordinates of R'?

• (-8,-7)
• (-8,7)
• (8,7)
• (8,-7)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

After dilating the triangle using a scale factor of 1/2. The new ordered pair for Y′ is...

• (4,2)
• (4,4)
• (16,8)
• (8,4)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4