Translations and Reflections

Congruent geometric figures have the:

• Same size
• Sides Equal
• Same Size and Same Shape
• Angles Equal

Tags

CCSS.8.G.A.2

What does a translation do to a figure on the coordinate plane?

• Rotates it
• Flips it
• Shrinks it
• Slides it

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write the rule for this translation:
Slide 3 up and 2 right

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect Point C over the y-axis:

• (-3, 2)
• (3,2)
• (-2,3)
• (3,0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Flipping a figure is a ...

• Rotation
• Reflection
• Dilation
• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• y-coordinate
• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

State the line of reflection.

• Reflection across y-axis
• Reflection across x-axis
• Reflection across x = 1
• Reflection across y = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)
• (2, 6)
• (-6, -2)
• (6, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic representation of translating a figure 3 units left and 5 units down?

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Find C' after a translation using this rule: (x, y)-->(x + 3, y + 1)

• (3, 4)

• (4, 2)

• (5, 2)

• (4, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5