Unit 9 Transformations #1

An entire pre-image that is located in quadrant III is then rotated 90° clockwise about the origin. In which quadrant will the image fall?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Triangle RST has vertices R(1, 1), S(1, 4), and   T(3, 1).  Graph the figure and its rotated image after a counterclockwise rotation of 180° about the origin. What are the coordinates of  Tʹ?

• (-3, -1)
• (-3,-2)
• (5,2)
• (5,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which algebraic rule will produce a translation that is 5 units to the right?

• (x, y)  --> (  x ,  y + 5)
• (x, y)  --> (  x-5 ,  y + 5)
• (x, y)  --> (  x-2 ,  y + 5)
• (x, y)  --> (  x+5 ,  y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A pre-image in quadrant II was rotated counterclockwise about the origin 360°. Which of the following is NOT true about his transformation?

• The image will follow the rule

  (x, y) --> (y, x).

• The image will be back to its original position

• The image will follow the rule

  (x, y) --> (x, y).

• The image will be located in quadrant II.

Triangle ABC is going to be translated. How is ABC being translated if the rule (x,y) --> (x+3, y-2) is used?

• 3 up and 2 left
• 3 right and 2 down
• 3 left and 2 up
• 3 right and 2 up 

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

Identify the transformation from ABCD to A'B'C'D'.

• Translation

• Reflection across the x-axis

• Reflection across the y-axis

• 90^o counter clockwise rotation

Tags

CCSS.8.G.A.3

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

How is triangle ABC being translated to triangle A'B'C'?

• (x, y) --> (x - 8, y + 3 )
• (x, y) -->(x - 4, y - 9) 
• (x, y) --> (x + 8, y - 3) 
• (x, y) --> (x+ 4, y - 9) 

Tags

CCSS.HSG.CO.A.2

Which pair have a line of reflection of x = -2?

• A & B

• B & C

• G & H

• E & F

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5