Reflection

When you reflect over the y axis, what stays the same?

• x stays the same

• y stays the same

• z stays the same

• q stays the same

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Where will A' be located if triangle ABC is reflected using the rule (x, y) --> (-x, y) ?

• (2,1)

• (1,-2)

• (-1,2)

• (-1, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

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

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 rule for the following reflection? 

• Reflection across       y = −1

• Reflection across        y = 1

• Reflection across            x = −1

• Reflection across          x = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect (6, -3) over the x-axis. What are the new coordinates of that point after the reflection?

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point (2, -4) over the y-axis. What are the new coordinates of that point after the reflection?

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What transformation is the following rule for?

• Reflect over the x axis

• Reflect over the y-axis

• Rotate 90 degrees clockwise

• Rotate 270 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the Algebraic Representation for this transformation?

• (x, y) → (y, x)

• (x, y) → (-x, y)

• (x, y) → (-y, -x)

• (x, y) → (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5