Reflection and dilations

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.HSG.CO.A.2

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

What is the definition of dilation,  in mathematical terms?

• to make larger or smaller
• to only make larger
• all of the above
• to only make smaller

Tags

CCSS.8.G.A.3

Identify the transformation from ABCD to A'B'C'D'.

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Flipping a figures is a ...

• Rotation
• Reflection
• Dilation
• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

• S'(3, 7)
• S'(-3, 7)
• S'(-3, -7)
• S'(3, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect over x-axis. Which point would be at (3, -6)

• A
• B
• C
• H

Tags

CCSS.6.NS.C.6B

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True

• False

Tags

CCSS.8.G.A.3

The y-axis is...

• horizontal

• vertical

• diagonal

Tags

CCSS.5.G.A.1

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5