Test Prep - Transformations

Given the rule (x, y) --> (x - 8, y + 7), select ALL the translations that are true

• Down 8

• Right 8

• Left 8

• Up 7

• Right 7

How many degrees was the figure rotated?

• 90 degrees counterclockwise

• 180 degrees

• 90 degrees clockwise

• 270 degrees counterclockwise

• 270 degrees clockwise

What is the angle of rotation?

• Clockwise 90°

• 180°

• Counter clockwise 270°

• Counterclockwise 90°

• Clockwise 270°

If the point A was rotated 180^o

What is the coordinate for A'?

• (4, 3)

• (-4, -3)

• (3, -4)

• (4, -3)

If ΔABC is translated to image ΔA'B'C', as shown below, by the rule (x,y)→(x - 2, y + 7)

what are the coordinates of ΔA'B'C'?

• A'(-6, 4) B'(4, 4) C'(2,8)

• A'(-2,4)B'(8, 4)C'(6,8)

• A'(-4, 6) B' (8, 6) C'(2, -7)

A triangle has vertices at A(3, 4), B(-5, 6), and C(0, -2). What are the coordinates of each vertex if the triangle is translated 3 units right and 6 units down?

• A'(6, -2) B'(-2, 0) C'(3, -8)

• A' (0, 10) B'(-8, 12) C'(-3, 4)

• A'(-3, 7) B'(-11, 9) C'(-6, 1)

If Triangle ABC is reflected across the y-axis, what would the coordinate of A' be?

• (-5, 1)

• (5, -1)

• (-1, -5)

• (1, 5)

If Triangle ABC is reflected across the x-axis, what would the coordinate of A' be?

• (-5, 1)

• (5, -1)

• (-1, -5)

• (1, 5)

If Triangle ABC is reflected across the line y=x, what would the coordinate of A' be?

• (-5, 1)

• (5, -1)

• (-1, -5)

• (1, 5)

Select BOTH statements that could describe the transformation

• Reflection across the x-axis & y-axis

• Rotation 180 degrees

• Translation down 8

• Reflection across y=x