Algebraic Description of Transformation

• Rotation of 270 degrees counter-clockwise

• Rotation of 270 degrees clockwise

• Rotation of 90 degrees clockwise

• Rotations of 180 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• Reflection over the y axis

• Reflection over the x axis

• Reflection over the origin

• Reflection that is 90 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle TRY with coordinates T(6, 12), R(-8, 4), and Y(4, -8) is to be reflected across the x-axis.  Which algebraic representation is a reflection across the x-axis?

• (x, y) --> (-x, y)

• (x, y) --> (x, -y)

• (x, y) --> (-x, -y)

• (x, y) --> (-y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees cw around the origin

• Rotate 90 degrees cw around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees ccw about the origin.

Tags

CCSS.8.G.A.3

Which is the algebraic representation of the graph.

​ (a)  

• (x + 9, y - 9)

• (x + 9, y + 9)

• (x - 9, y - 9)

• (x - 9, y + 9)

Which is the algebraic representation of the graph.

​ (a)  

• (x - 2, y - 8)

• (x + 2, y + 8)

• (x - 2, y + 8)

• (x + 2, y - 8)

Match the following verbal descriptions with the algebraic representations.

• (x - 5, y + 5)

• 5 left and 5 up

• (x - 5, y - 5)

• 5 right and 5 down

• (x + 5, y - 5)

• 5 left and 5 down

• (x + 5, y + 5)

• 5 right and 5 up

Tags

CCSS.5.G.A.2

Triangle RST is translated 6 units to the right and 4 units down to create triangle R'S'T'. Which rule describes this transformation?

• (x, y) --> (x + 6, y - 4)

• (x, y) --> (x - 6, y + 4)

• (x, y) --> (-6x, 4y)

• (x, y) --> (6x, -4y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine where X' would be if translated 3 units to the left and 9 units down.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Translate each point using the following rule:

(x,y) --> (x + 5, y - 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5