Reflections on the Coordinate Plane

What happens to the y-coordinate when a point is reflected over the x-axis?

• It remains the same.

• It changes sign.

• It becomes zero.

• It doubles in value.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If point E (-2, -7) is reflected over the y-axis, what is the new coordinate?

• E'(2, -7)

• E'(-2, 7)

• E'(2, 7)

• E'(-2, -7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the reflection of R (-1, 6) over the y-axis?

• R'(1, 6)

• R'(-1, 6)

• R'(1, -6)

• R'(-1, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the general rule for reflecting a point (x, y) over the y-axis?

• (x, -y)

• (-x, y)

• (y, x)

• (-y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflections over the x-axis change the ____-__________.

• x-coordinate

• y-coordinate

• z-coordinate

• slope

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the name of coordinate (0, 0)?

• Origin

• Vertex

• Apex

• Nucleus

Tags

CCSS.5.G.A.1

What is the coordinate of the origin?

• (0, 0)

• (1, 1)

• (-1, -1)

• (2, 2)

Tags

CCSS.6.NS.C.6B

What is the reflection of point B (-4, 2) over the y-axis?

• B'(4, 2)

• B'(-4, -2)

• B'(-4, 2)

• B'(4, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the reflection of point A (3, -5) over the x-axis?

• A'(3, 5)

• A'(3, -5)

• A'(-3, 5)

• A'(-3, -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What happens to the x-coordinate when a point is reflected over the y-axis?

• It remains the same.

• It becomes negative.

• It doubles in value.

• It becomes positive.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5