CCSS.Math.Content.8.G.A.4

When you dilate a figure you...

• slide it.
• turn it.
• flip it.
• make it larger or smaller.

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CCSS.Math.Content.8.G.A.4

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

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CCSS.Math.Content.8.G.A.4

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

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CCSS.Math.Content.8.G.A.4

A slide is also called a _________.

• Translation
• Reflection
• Rotation
• Transformation

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CCSS.Math.Content.8.G.A.4

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

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CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.2

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

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CCSS.Math.Content.8.G.A.4

If a shape is dilated, how do you find the new area?

• You multiply the old area by the scale factor used in the dilation.
• You square the scale factor used in the dilation. Then multiply the old area by the squared scale factor.

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CCSS.Math.Content.8.G.A.4

Is this a dilation from the origin?

• yes
• no

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CCSS.Math.Content.8.G.A.4

Describe the transformation in the image.

• Translation

• Reflection

• Rotation

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CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.2

Are these triangles similar?

• Yes
• No

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CCSS.Math.Content.8.G.A.4