TRANSLATIONS & REFLECTION

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

• ( x+ 2, y - 5)

• (x - 2, y + 9)

• (x - 2, y - 9)

How would you translate point P to P'?

• Translate 2 units to the right and  8 units down
• Translate 3 units down and 2 units to the right
• Translate 4 units down and 4 units to the left
• Translate 8 units to the right and 2 units down

Tags

CCSS.HSG.CO.A.2

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The original figure prior to a transformation.

• Pre-image
• Image

Tags

CCSS.HSG.CO.A.2

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

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• (x, y) --> (x + 5, y + 8)

• (x, y) --> (x + 5, y - 8)

• (x, y) --> (x - 8, y + 5)

• (x, y) --> (x - 8, y - 5)

Tags

CCSS.HSG.CO.A.2

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

Another name for Reflection is...

• flip
• turn
• slide
• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When you reflect over the y axis, what stays the same?

• x stays the same

• y stays the same

• z stays the same

• q stays the same

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a reflection over the x-axis?

• (x, y) --> (x, -y)

• (x, y) --> (-x, y)

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5