Translations and Reflections

When translating a figure on a coordinate plane, which coordinate is affected by movement up and down?

• The x-coordinate
• The y-coordinate
• Neither

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the translation of Point A (3, -8) to A'(-4, -5).

• (x-4, y-5)
• (x+7, y-3)
• (x-7, y+3)
• (x-3, y+7)

Tags

CCSS.HSG.CO.A.2

Which point shows a reflection of point      Y(-5, -7) over the y-axis?

• (5, -7)
• (-5, -7)
• (5, 7)
• (5, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine how to translate triangle A'B'C' to triangle ABC.

• (x+2, y-5)
• (x+2, y-9)
• (x-2, y-9)

Tags

CCSS.HSG.CO.A.2

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

Reflecting over the y-axis CHANGES the ____-_____________.

• y-coordinate

• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which point is the image of point B(-2, 4) reflected over the x-axis?

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

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 transformation is happening?
(x, y) ----> (x + 2, y - 3) 

• slide up 2, left 3
• slide right 2, up 3
• slide right 2, down 3
• slide left 3, right 2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

In a translation, the preimage and image are ___________.

• congruent
• similar
• different
• red

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5