Coordinate Plane Distance and Reflections

Points G, H, and I are plotted on the coordinate grid.  How many units are between points G and H?

• 9 units

• 14 units

• 13 units

• 12 units

What is the distance between points (3, -5) and (3, -8)?

• 1 unit

• 2 units

• 3 units

• 4 units

Reflecting over the y-axis changes the ____-_____________. 

• x-axis

• x-coordinate

• y-coordinate

• none of the above

When we are trying to find the distance between two points in the SAME quadrant, we ___________ the absolute values.

• Add

• Subtract

• Multiply

• Divide

When we are trying to find the distance between two points in DIFFERENT quadrants, we ___________ the absolute values.

• Add

• Subtract

• Multiply

• Divide

When we reflect across the x-axis, what changes?

• The sign of the x-coordinate

• The sign of the y-coordinate

• Both the x-coordinate and y-coordinate

When we reflect across the y-axis, what changes?

• The sign of the x-coordinate

• The sign of the y-coordinate

• Both the x-coordinate and y-coordinate

What are the coordinates of A' if point A is reflected across the y-axis?

• (3,-3)

• (0,3)

• (3,3)

• (-3,3)

What are the coordinates of C' if point C is reflected across the x-axis?

• (2,2)

• (-2,2)

• (2,-2)

• (0,2)

What does this show?

• reflection over the y-axis

• reflection over the origin

• reflection over the x-axis