Reflection y = x

Graph the reflection with line of reflection y=x. Point C is currently located at (3,1). What are the new coordinates of C' ?

• (3, 1)

• (1, 3)

• (-3, -1)

• (-3, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the new coordinates of A' after a reflection across the line y=x?

• (1,1)

• (1, 2)

• (2,1)

• (-1, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the new location of image point C' when reflected over the line y=x ?

• (0, 2)

• (0, -2)

• (2, 0)

• (0, 0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the new location of image point B' when reflected over the line y=x ?

• (-6, 2)

• (-8, 9)

• (9, -8)

• (2, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a reflection across the y = x line?

• (x, y) becomes (x, -y)

• (x, y) becomes (-x, y)

• (x, y) becomes (-x, -y)

• (x, y) becomes (y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If a point remains unchanged after a reflection, then it lies on...

• the line of symmetry

• itself

• the origin

• point (5,6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect (5, 9) over the y-axis.

• (-5,9)

• (-5,-9)

• (5,-9)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

B(-2, -4)
Reflect over the line y = x

• (2, -4)

• (-4, 2)

• (-4, -2)

• (4, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5