Reflections

Level 1 What is this transformation?

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

• Reflect over the x axis

• Reflect over the y-axis

• Slide down 1

• slide left 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Level 1 True or false: When a point is reflected across a line of symmetry, it remains the same distance from the line.

• true

• false

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Level 1 Reflections over the x-axis change the ____-__________.

• y-coordinate

• x-coordinate

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

Level 2 Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

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

• A’(5, -2)

• A’(-5, -2)

• A’(-5, -2)

• A'(5,2)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Level 2 When a figure is reflected over a line of reflection, the new image is congruent to the original. True or False

• True

• False

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Level 2 Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'?

• (5, 4)

• (-5, -4)

• (5, -4)

• (-5, 4)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Level 3 Find K' if the figure is reflected across the x-axis

• (4, 1)

• (-1, -4)

• (1, -4)

• (1, 4)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Level 3 Reflect over x-axis. Which point would be at (3, -6)

• A

• B

• C

• H

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Level 3 ∆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.1

CCSS.8.G.A.2

CCSS.8.G.A.3