Reflections on the Coordinate Plane

Reflect (4, -15) over the x-axis.

Think: What will change? the X, Y, or both?

• (4, 15)

• (4, -15)

• (-4, 15)

Reflect (-2, -6) over both axes.

Think what will change, the X, Y, or both.

• (2, 6)

• (-2, 6)

• (2, -6)

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

• (4,2)

  QI

• (4, -2)

  QIV

• (-4, 2)

  QII

• (-4, -2)

  QIII

Point D is reflected across the y-axis. What is it's new reflected point and location?

• D'(5,3)

  QII

• D' (3,5)

  Q1

• D'(-3, -5)

  QIII

What axis is the shape reflected over?

• y-axis

• x-axis

• both axes

In the picture, what axis is the triangle reflected over?

• x-axis

• y-axis

• both axes

Reflect triangle ABC over the x-axis. What are it's new reflected points?

• A' (2, 3) B' (5, 4) C' (2,4)

• A'( -2, -3) B' (-5, -4) C'(-2, -4)

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

What is a key word to describe a reflection of a point?

• look-a-like image

• same image

• mirror image

• twin image

Reflect the point (2, -4) over the y-axis.

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)