Transformations

Write a rule for the translation.

•  (x -1, y  + 2)
•  (x -2, y  + 1)
•  (x +2, y  - 1)
• (x +1, y  -  2)

Tags

CCSS.HSG.CO.A.2

Which rule would result in a reflection in the x-axis?

• (x, y) → (2x, 2y)
• x, y) → (x + 4, y + 4)
• (x, y) → (y, -x)
• (x, y) → (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) -------> (-y, -x) is a rotation of 90 degrees counterclockwise.  

• True 
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point (-5,2) is reflected over the y axis.  Where is the new point located?

• (5,2)
• (-5,-2)
• (-5,2)
• (5,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

Enlargement or reduction?  Find the scale factor!

• It's a reduction; the scale factor is 2.
• It's an enlargement; the scale factor is 2.
• It's an enlargement; the scale factor is 1/2.
• It's a reduction; the scale factor is 1/2.

Tags

CCSS.7.G.A.1

Rectangle ABCD is dilated so that the coordinates of C' are (2, -1).  What could be the dilation rule?

• (-2x, +1y)
• (1/2 x, 1/2 y)
• (2x, 2y)
• (x - 2, y - 1)

Tags

CCSS.HSG.CO.A.2

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

Tags

CCSS.HSG.SRT.A.2

If the scale factor is 5, how times larger will the area of the big square be compared to the smaller square?

• 5

• 20

• 25

• 15

Tags

CCSS.7.G.A.1

A triangle ABC with sides AB = 8, BC = 16, and AC = 17 is dilated to form a triangle with side B'C' = 8. Which of the following statements about the sides of the image of triangle ABC?

• A'B' = 8

  and A'C' = 17

• A'B' = 0

  and A'C' = 9

• A'B' = 4

  and A'C' = 8.5

• Impossible to determine

Tags

CCSS.8.G.A.3