Transformations

Triangle RST has coordinates:

R (-2, 1)

S (-8, 2)

T (-4, 5)

Translate triangle RST 8 units right and 4 units down. What are the coordinates of R'?

• (-3, 6)

• (0, -2)

• (6, -3)

• (4, 1)

Quadrilateral HIJK has the following coordinates:

H (2, 3)

I (3, 6)

J (8, 6)

K (6, 2)

Reflect the quadrilateral over the x-axis. What are the coordinates of K'?

• (6, -2)

• (-6, 2)

• (-6, -2)

• (6, 2)

Triangle XYZ has coordinates:

X ( -5, -2)

Y (-7, -6)

Z (-3, -6)

Rotate the triangle 90 degrees clockwise. What are the coordinates of Y'?

• (-7, 6)

• (6, -7)

• (7, -6)

• (-6, 7)

Rectangle EFGH has the following coordinates:

E ( -3, 6)

F ( 3, 6)

G ( 3, -6)

H ( -3, -6)

Dilate the rectangle by a scale factor of 1/3. What are the coordinates of G'?

• (1, -3)

• (1, -2)

• (-1, 2)

• (-3, 6)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

How can this transformation be represented algebraically?

• (-x, y)

• (7x, 3y)

• (x + 7, y -3)

• (x - 7, y + 3)

How can this transformation be represented algebraically?

• (x + 4, y)

• (-x, -y)

• (-x, y)

• (y, -x)

What type of transformation occured?

• Rotation 90 degrees counter clockwise

• Rotation 90 degrees clockwise

• Rotation 180 degrees

• Reflection

How can this transformation be represented algebraically?

• (2x, 2y)

• (1/2x, 1/2y)

• (1.5x, 1.5y)

• (-x, -y)

Point J was translated:

J (10, 4) to J' (3, 9)

What translation occured?

• 7 right and 5 down

• 7 left and 5 down

• 5 left and 7 up

• 7 left and 5 up

Point M was reflected:

M (-5, -1) to M' (5, -1)

What type of reflection occurred?

• reflected over y-axis

• reflected over x- axis

• no reflection occurred