Geometry Finals Rev 4

Identify the transformation.

• Reflection across y-axis
• 90 Rotation counter clockwise
• Translation 5 units left, 1 unit up.
• Translation 5 units right, 1 unit down

Tags

CCSS.HSG.CO.A.2

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 translation of 2 units left and 3 units up?

• (x, y) → (2x, 3y)
• (x, y) → (x - 2, y + 3)
• (x, y) → (-x, -y)
• (x, y) → (x + 2, y - 3)

Tags

CCSS.HSG.CO.A.2

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A
• B
• C
• D

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How many degrees was the figure rotated?

• 90 degrees counterclockwise

• 180 degrees

• 90 degrees clockwise

• 270 degrees clockwise

The rule for rotation of 90 degrees is  
(x, y) --> _

• (y, -x)
• (-y, x)
• (x, -y)
• (-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What would the new point be if you rotated the point (4,9) 180°about the origin?

• a. (-9,4)
• b. (-4,-9)
• c. ( 9, -4) 
• d. (4,9)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

A(3,3) B(6,6)

• A'(9,9) B'(18,18)

• A'(6,6) B'(9,9)

• A'(0,0) B'(3,3)

• A'(1,1) B'(2,2)

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Tags

CCSS.8.G.A.3