Reflections X Y Axis

The blue triangle is reflected over the x-axis. True or False?

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a reflection 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

If you reflect point (-2,7) over the y-axis, what is its image point?

• (2,7)

• (2,-7)

• (-2,-7)

• (7,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

State the line of reflection.

• Reflection across y-axis

• Reflection across x-axis

• Reflection across x = 1

• Reflection across y = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Find K' if the figure is reflected across the x-axis

• (4, 1))

• (-1, -4)

• (1, -4)

• (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

Reflect Point C over the y-axis:

• (-3, 2)

• (3,2)

• (-2,3)

• (3,0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• y-coordinate

• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-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