Unit 4 Review

Which of the following results in an image that is similar to the pre-image, but not congruent to it?

• dilation

• rotation

• reflection

• rotation

If the pre-image is located entirely in the 2nd quadrant of the graph (x is negative, y is positive), and then it is reflected over the y-axis, what quadrant will the new image be in?

• first

• second

• third

• fourth

What would be the result of translating the point (5,1) 4 units left & two units up?

• (-1,3)

• (1,-3)

• (1,3)

• (3,1)

What is the shortcut to reflect a line over y=x?

• (x,y) -> (y,-x)

• (x,y) -> (-y,x)

• (x,y) -> (y, x)

• (x,y) -> (-y,-x)

What is the shortcut to reflect a line over y = - x?

• (x,y) -> (y,-x)

• (x,y) -> (-y,x)

• (x,y) -> (y, x)

• (x,y) -> (-y,-x)

What translation would move an ordered pair from (2,4) to (3,3)?

• left 1, down 1

• right 1, down 1

• left 1, up 1

• right 1, up 1

Which of the following transformations has the same result as a rotation of 270 degrees CLOCKWISE?

• 180 degrees clockwise

• 270 degrees counterclockwise

• 90 degrees counterclockwise

• 90 degrees clockwise

A rectangular photo with dimensions of 2.5 inches wide & 2 inches long. It is enlarged to make the length 8 inches. What is the new width of the image?

• 8

• 2

• 10

• 4

The ordered pair with coordinates (8,-6) is reflected across the y-axis. What is the new ordered pair?

• (8,6)

• (-8,-6)

• (-8,6)

• (8,-6)

Write the translation from the point (0,1) to (-4,6)

• left 4, down 6

• right 4, down 6

• left 4, up 6

• right 4, up 6