Translations, Reflections, and Dilations

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflections over the x-axis change the ____-__________. 

• y-coordinate
• x-coordinate
• y-axis
• x-axis 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Chose the correct transformation:
(x, y) --> (x , y + 2)

• Translation 2 units up
• Translation 2 units left
• Translation 2 units down
• Translation 2 units right

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes the action of the coordinates when a figure is dilated by a scale factor of 2?

• (x, y)→(x+2, y+2)

• (x, y)→(2x, 2y)

• (x, y)→(x/2, y/2)

• (x, y)→(x-2, y-2)

Tags

CCSS.8.G.A.3

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.EE.B.6

Which of the following algebraic rules represents a dilation? Select all that apply.

• (x, y) --> (3x, 3y)

• (x, y) --> (3x, 2y)

• (x, y) --> (x - 3, y + 5)

• (x, y) --> (0.5x, 0.5y)

• (x, y) --> (3x, 0.5y)

Tags

CCSS.HSG.SRT.A.1

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

• up 3, left 8
• up 9, left 4
• down 3, right 8
• down 9, right 4

Tags

CCSS.HSG.CO.A.2

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

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

Tags

CCSS.8.G.A.3