Performing transformations

What is the rule for reflecting over the x axis?

• Change X keep Y

• Change Y keep X

Which word can be used to describe a reflection?

• Flip

• Turn

• Slide

• Stretch

Which graph shows the pre-image reflected over y-axis?

• 
• 
• 
• 

What is the equation for the line of reflection?

• y=4

• x=-3

• y=x

• y= -x

What is the rule for a reflection over the x-axis?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

Tell whether the shaded figure is a reflection of the nonshaded figure.

• Yes
• No

A 76^o angle is reflected across the x-axis. What is the measure of the angle in the image?

• 67 degrees

• 90 degrees

• 76 degrees

• 180 degrees

Reflect point A over the x-axis. What is the ordered pair and quadrant of the reflected point?

• A' (4,2)

  QI

• A' (4, -2)

  QIV

• A' (-4, 2)

  QII

• A' (-4, -2)

  QIII

Reflect the point (-2, -2) over the x-axis.

• (2, 2)
• (2, -2)
• (-2, 0)
• (-2, 2)