2.) Reflection Review

What is the algebraic representation for reflecting a figure over the x-axis?

• (x, y) --> (x, -y)
• (x, y) --> (-x, -y)
• (x, y) --> (-x, y)
• (x, y) --> (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the image of Z(-1, 4) after a reflection over the y axis?

• Z'(4, -1)

• Z'(-1,-4)

• Z'(4, 1)

• Z'(1, 4)

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

Reflecting over the y-axis changes the ____-_____________.

• y-coordinate

• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When an ordered pair is reflected across the x-axis, what changes?

• nothing
• y-value
• x-value

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If the dotted figure is the image, the original figure was reflected over the ...

• x-axis
• y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the Algebraic Notation for this Reflection?

• (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

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect (6, -3) over the line x-axis.

• (6, 3)
• (-6, -3)
• (-3, 6)
• (3, -6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5