Quiz # 7: Dilations and Similarity

Does the image show a Dilation?

• Yes
• No

Tags

CCSS.HSG.CO.A.2

A triangle has vertices A(0,0), B(8,0), C(3,-2). Find the coordinates of the triangle after a dilation with a scale factor of  4. The dilation is (X,Y) --- (4x,4y)

• A(3,3), B(4,4), C(-3,-4)
• A(-4,8), B(6.5,8), C(7,7)
• A(0,0), B(32,0), C(12,-8)

Tags

CCSS.8.G.A.3

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

• x = 12
• x = 3
• x = 40
• x = 4

Tags

CCSS.HSG.SRT.A.2

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are the following similar? Why or why not?

• Yes, because the corresponding angles are congruent.
• No, the numbers are even
• No, the sides are 2 times larger, but the width is the same.

Tags

CCSS.HSG.SRT.A.2

A dilation is which of the following: 

• only an enlargement
• only a reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

Tags

CCSS.8.G.A.3

Which transformation will result in being similar to the original figure but has a larger area?

• Dilation with scale factor of 2
• Dilation with scale factor of 1
• Dilation with scale factor of .5
• Translation 

Tags

CCSS.8.G.A.3

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

• Dilation
• Translation, Reflection, and Rotation
• Translation and Reflection
• Reflection and Rotation

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Are these triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

What is the definition of similarity?

• same shape, same size

• same shape, different size

• different shape, same size

• different shape, different size

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3