Reflections and Dilations

When A(3, 6) is under a dilation of 3 (follows rule: (x,y)-(3x,3y) what are the coordinates of A'?

• (3, 3)

• (9, 18)

• (1, 2)

• (6, 12)

Tags

CCSS.8.G.A.3

This transformation is _________

• Non Rigid

• Rigid

• Tomato

Tags

CCSS.8.G.A.3

Identify the transformation

• 180 degree rotation

• (x,y)->(x+5,y-4)

• reflection across the line y = x

• reflection across the line y = 1

Tags

CCSS.8.G.A.3

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• A

• B

• C

• D

Tags

CCSS.8.G.A.3

Determine the image of Polygon ABCD after a dilation of ½ with center at (0, 0), then reflect across the x-axis

• A"(2.5, 1) B"(3.5, -0.5) C"(1.5, -2) D"(-1, -1.5)

• A"(2.5, -1) B"(3.5, 0.5) C"(1.5, 2) D"(-1, 1.5)

• A"(1, 2.5) B"(-0.5, 3.5) C"(-2, 1.5) D"(-1.5, -1)

• A"(5, 2) B"(7, -1) C"(3, -4) D"(-2, -3)

Tags

CCSS.8.G.A.3

• A

• B

• C

• D

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

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

If the blue graph is f(x) (the original function) and the red graph is the transformation, what is the equation of the red graph?

• -f(x)

• f(-x)

• f^-1(x)

• f(2x)

Which answers are showing a reflection?

• a and c

• b and c

• c and d

• a and d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5