Transformations Review

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees cw around the origin

• Rotate 90 degrees cw around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees ccw about the origin.

Tags

CCSS.8.G.A.3

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 sequence of transformations?

• Reflect over the y then reflect over the x
• Reflect over the x then reflect over the y
• Translate 4 units then rotate 90˚
• Rotate 90˚ then reflect over the x

Tags

CCSS.8.G.A.3

Which of the statements is true about the graphed triangles?

• They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
• They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
• They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
• They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• (x + 5, y - 5) 5 units down and 5 units to the right
• (x + 1, y - 5) 5 units down and 1 to the right
• (x + 5, y - 8) 8 units down and 5 units to the right
• (x + 4, y - 5) 5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflecting over the y-axis changes the ____-_____________. 

• x-axis
• x-coordinate
• y-coordinate
• none of the above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which algebraic rule shows how triangle ABC being translated to triangle A'B'C'?

• (x, y) --> (x - 3, y + 8)
• (x, y) --> (x + 3, y - 8)
• (x, y) --> (x - 4, y + 9)
• (x, y) --> (x + 4, y - 9)

Tags

CCSS.HSG.CO.A.2

A transformation that “turns” a figure about a fixed point at a given angle and a given direction.

• reflection
• translation
• rotation
• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5