Shape Reflections

What is the equation for the line of reflection?

• y=4

• x=-3

• y=x

• y= -x

If E(0, 2) is reflected across y = x, what are the coordinates of E'?

• (2, 0)

• (0, -2)

• (-2, 0)

If F(7, -5) is reflected across y = -x, what are the coordinates of F'?

• (-5, 7)

• (5, -7)

• (-7, 5)

Which diagram shows a reflection across the x-axis?

• D

• C

• B

• A

What is a reflection?

• When you turn an object around a point.

• When you slide an object form one place to another.

• When you flip or mirror an object across a line.

• When you resize an object.

True or False: When a point is reflected across a line of symmetry, it remains the same distance from that line.

• True

• False

Which of the following is NOT preserved with a reflection?

• Angle measurement

• Distance between points

• Orientation

• Shape

Reflect the image over the y-axis.  Which quadrants will the image be located in?

• Quadrant I and II

• Quadrant II and III

• Quadrant III and IV

• Quadrant I and IV

How many lines of symmetry does this shape have?

• 0

• 1

• 2

• 4

What is the Algebraic Notation for this Reflection?

• (x, y) → (y, x)

• (x, y) → (-x, y)

• (x, y) → (-y, -x)

• (x, y) → (x, -y)