Reflecting Points in the Coordinate Plane

When you reflect a point over the y-axis, the ____________ changes.

• x-coordinate

• y-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect point A ( 3, 4) over the x-axis, what is the reflected point?

• A' ( 3 , -4)

• A' ( -3, 4)

• A' ( -3, -4)

• A' ( 3, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point C'(−4, −2) is the result of reflecting C(4, −2) in the coordinate plane. Identify the axis across which the point was reflected.

• y-axis

• x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect point E (-2, 3) over the x-axis, what is the reflected point?

• E' ( -2, -3)

• E' ( 2, 3)

• E' ( -2, 3)

• E' (-2, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If rectangle WXYZ is being reflected using the rule (x, y) → (x, -y), and point W is at (2, 5), where will W' be?

• (2, 5)

• (-2,-5)

• (-2, 5)

• (2,-5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• (8,-2)

• (6,8)

• (0,0)

• (7,4)

• (-3,7)

• (5,5)

• (2,9)

• (4,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point (a, b) is reflected over the x-axis, then the y-axis, then the y-axis again, and then the x-axis again. What are the coordinates of the new point?

• (−a, b)

• (−a, −b)

• (a, −b)

• (a, b)

Tags

CCSS.8.G.A.3

• (8,-2)

• (6,8)

• (0,0)

• (7,4)

• (-3,7)

• (5,5)

• (2,9)

• (4,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the coordinates of E’ when you... reflect across the y-axis, then translate down 3 units and right 2 units.

• (4, −5)

• (2, −2)

• (0, −5)

• (0, −1)

Tags

CCSS.8.G.A.3