Unit 1 Transformations Review

The point undergoes a translation by the vector [-1,-5], followed by a second translation by the vector [0,4]. This is equivalent to a single translation by a vector ____________.

• [-1,-9]

• [-1,-1]

• [1,-9]

• [1,-1]

What is the magnitude of the vector [-5,12]?

• 169

• $\sqrt{119}$

• 13

• $\sqrt{7}$

Which of the following best describes the direction of the vector [-8,-3]?

• The vector points up and to the right

• The vector points down and to the right

• The vector points up and to the left.

• The vector points down and to the left.

Triangle ABC was translated to obtain triangle A'B'C'. What vector correctly describes the translation?

• [5,2]

• [-5,-2]

• [2,5]

• [-2,-5]

The point (5,4) is rotated by 90 degrees clockwise about the origin. What are the coordinates of the image?

• (4,-5)

• (-4,5)

• (-5, -4)

• (5,-4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point (-3,-5) is rotated by 90 degrees counterclockwise about the origin. What are the coordinates of the image?

• (-5,3)

• (-5,-3)

• (5, -3)

• (5,3)

The point (0,0) is rotated by 72.54 degrees counterclockwise about the origin. What are the coordinates of the image?

• (0,0)

• (0,72.54)

• (72.54, 0)

• This isn't possible

The point (-5,5) is rotated by 180 degrees counterclockwise about the origin. What are the coordinates of the image?

• (5,5)

• (-5,-5)

• (5,-5)

• (-5,5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point (-1,0) is reflected across the line y = x. What are the coordinates of the image?

• (-1,0)

• (1,0)

• (0,1)

• (0,-1)

The point (-3,17) is reflected across the line y = -x. What are the coordinates of the image?

• (-3,17)

• (3,-17)

• (-17,3)

• (17,-3)