Transformations Congruent and Similarity

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'(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

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)

• (20,12)

• (-20,-12)

• (-5,-3)

Tags

CCSS.8.G.A.3

∆BCD contains the points: B(2,3) C(2,1) D(5,1). If the triangle is reflected across the x-axis, what will B' be?

• B'(2, -3)

• B'(-2, 3)

• B'(-2, -3)

• B'(2, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What does congruent mean?

• corresponding sides and angles are congruent

• corresponding sides are proportional and corresponding angles are congruent

• sames shape

• neither sides or angles are congruent

Tags

CCSS.8.G.A.2

The following is a ...

• Translation

• Reflection

• Rotation

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If the dotted figure is the image, the original figure was reflected over the ...

• x-axis

• y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine how to translate triangle A'B'C' to triangle ABC.

• (x+2, y-5)

• (x+2, y-9)

• (x-2, y-9)

Tags

CCSS.HSG.CO.A.2

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

Tags

CCSS.8.G.A.3

Select all transformations that result in a CONGRUENT image.

• translation, then dilation of 2

• translations up 2, then translation right 4

• vertical translation, then reflection over the x-axis

• reflection over the x-axis, then dilation of 1/2

• dilation of 3, then rotation 90 degrees counter-clockwise

Tags

CCSS.8.G.A.3

Which is the pre-image (first one)?

• Purple

• Blue

Tags

CCSS.HSG.CO.A.2