HOLUB- Transformations Quick Check Review

Luigi's house has a rectangular door and a rectangular window that are similar shapes. Each dimension of the door is 2.4 times the dimensions of the window. Which of the following statements is true?

• The area of the door is 2.4 times the area of the window.

• The area of the door is 4.8 times the area of the window.

• The area of the door is 5.7 times the area of the window.

• The perimeter of the door is 5.7 times the area of the window.

Tags

CCSS.7.G.A.1

Parallelogram ABCD is going to be rotated 270 degrees clockwise to create A'B'C'D'. Which rule describes this transformation?

• (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

Triangle ABC shown was dilated with the origin as the center of dilation to create triangle A'B'C'. Which rule represents this transformation?

• (x,y) --> (2x,2y)

• (x,y) --> (¹/₂x,¹/₂y)

• (x,y) --> (x-2,y-2)

• (x,y) --> (x+2,y+2)

Tags

CCSS.HSG.CO.A.2

Which of the following statements is true?

• (x,y) --> (x-2, y+4) represents a translation 2 units down and 4 units to the right

• (x,y) --> (-x, y) represents a reflection over the x axis

• (x,y) --> (x+2, y+2) represents a dilation with a scale factor of 2

• (x,y) --> (y, -x) represents a rotation 90 degrees clockwise/ 270 degrees counterclockwise.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following statements is not true about the transformation shown?

• It is a dilation that can be represented by (x,y) --> (2x, 2y)

• The original figure was enlarged to create the image.

• The area of triangle A'B'C' is 2 times the triangle of ABC.

• The perimeter of triangle A'B'C' is 2 times the triangle of ABC.

Tags

CCSS.8.G.A.3

Which of the following transformations does not preserve congruence?

• (x, y) --> (-x, y)

• (x, y) --> (4x, 4y)

• (x, y) --> (x+2, y+2)

• (x, y) --> (-y, -x)

Tags

CCSS.HSG.CO.A.2

Triangle WXY has coordinates W(-2, -3), X(2, -4), and Y(0,-1). Where is X' after triangle WXY is reflected over the x-axis?

• (-2, -4)

• (-4, -2)

• (2, 4)

• (4, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle GHI is transformed to create triangle G'H'I'. The coordinates of the pre-image and the image are shown. Which describes the transformation?

• Translation 5 left and 9 down.

• Rotation 108 degrees clockwise

• Reflection over the y-axis

• Rotation 270 degrees clockwise/ 90 degrees counterclockwise

Tags

CCSS.HSG.CO.A.2

Quadrilateral PQRS was dilated to create P'Q'R'S'. The coordinates of the pre-image and the image are shown in the table./ Find the scale factor that was used in the dilation. ** The answer should be a NUMBER ONLY!!! Example: 6/7 **

Tags

CCSS.8.G.A.3

Which rule represents the transformation shown in Graph A?

• (x, y) --> (-x, -y)

• (x, y) --> (x+9, y-9)

• (x, y) --> (x-9, y+9)

• (x, y) --> (9x, 9y)

Tags

CCSS.HSG.CO.A.2