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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.
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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?
