8.F.3. & 8.G.4

Which transformation(s) create(s) congruent figures?

• Dilation

• Translation, Reflection, Rotation

• Dilation and Translation

• Dilation and Reflection

Which transformation(s) create(s) similar figures?

• Dilation

• Translation, Reflection, and Rotation

• Translation and Reflection

• Reflection and Rotation

When talking about figures on a coordinate plane, what does "congruent" mean?

• Same shape, same size

• Same shape, size changes

• Different shape, different size

• Same shape, different size

When talking about figures on a coordinate plane, what does "similar" mean?

• Same shape, side lengths are proportional and angle measure are the same

• Same shape, side length are different and angles are different

• Different shape, different sizes

• Shapes sort of the same, but sides and angles are different

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.

Matching sides are called

• Corresponding Sides

• Corresponding Angles

• The Same

• Congruent Sides

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

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)

What is the rule for the dilation pictured?

• (x, y) → (½x, ½y)

• (x, y) → (x + 2, y + 2)

• (x, y) → (2x, 2y)

• (x, y) → (2x, 3y)

The pair of figures is similar. Find the missing side.

• x = 1

• x = 3

• x = 9

• x = 5