Distance and Reflections Review. Distance Review Cancel out the coordinates that are the same. Subtract if the signs are the same. Add if the signs are.

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Presentation transcript:

Distance and Reflections Review

Distance Review Cancel out the coordinates that are the same. Subtract if the signs are the same. Add if the signs are different.

Reflection Review To reflect a point across the x-axis, change the y-coordinate to its opposite. To reflect a point across the y-axis, change the x-coordinate to its opposite.

Whiteboard Review What is the distance between (6, -7) and (6, 18)?

Whiteboard Review What is the distance between (0, 45) and (-786, 45)?

Whiteboard Review What are the coordinates of point (-1, 50) reflected across the x-axis?

Whiteboard Review What are the coordinates of point (10, 2) reflected across the y-axis?

Whiteboard Review What are the coordinates of point (-2.5, 8) reflected across the x- and y-axis?

Whiteboard Review What is the distance between (8_1/3, -3/4) and ( -7_2/5, -3/4)?

Whiteboard Review What are the coordinates of point (1/2, -3) reflected across the y-axis?

Whiteboard Review What is the distance between (0.4, -3) and (-8.3, -3)?

Whiteboard Review What is the distance between (-456, 6) and (457, 6)?

Whiteboard Review What are the coordinates of point (34.67, -19) reflected across the x-axis?

Whiteboard Review What are the coordinates of point (-67, 2) reflected across the x-axis?

Whiteboard Review What are the coordinates of point (-8, -91) reflected across the x-axis?

Whiteboard Review What are the coordinates of point (11, 67) reflected across the y-axis?

Whiteboard Review What is the distance between (-5.35, -4) and (9.874, -4)?

Whiteboard Review What is the distance between (74, 18) and (74, 9)?

Whiteboard Review What are the coordinates of point (-7, -15) reflected across the x- and y-axis?

Whiteboard Review What is the distance between (-6.7, 4.5) and (-9.8, 4.5)?

Whiteboard Review What are the coordinates of point (-9, 42) reflected across the x- and y-axis?

Whiteboard Review What are the coordinates of point (-17, -15) reflected across the y-axis?

Whiteboard Review What are the coordinates of point (8_3/4, 4_1/2) reflected across the x- and y-axis?