Reflections

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

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

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

You want to reflect a figure over the horizontal line shown. 
What directions would you give? 
Reflect over the line: ________

• x = -4
• y = -4
• x - y = 4
• None of these

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point ( -2,5) is reflected over the line x = 1.  Find its image.

• (  4,  5)
• ( -2  , -5)
• ( 2  ,  5)
• (2   , -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

• S'(3, 7)
• S'(-3, 7)
• S'(-3, -7)
• S'(3, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC has vertices A(5,2).  Find the coordinates of ABC after a reflection over the x-axis.

• A’(5, -2)
• A’(-5, -2)
• A’(-5, -2)
• A'(5,2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Where will A' be at, if triangle ABC is reflected by
(x,y) --> (-x,y)?

• (2,1)
• (1,-2)
• (-1,2)

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

How do you represent reflection over the x axis Algebraically?

• (-y, -x)

• (x + a, y + b)

• (x , -y)

• (ax, by)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5