Translations and Reflections

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

How do you represent a translation Algebraically? 

• (-y, -x)
• (x + a, y + b)
• (-x , -y)
• (ax, by)

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

The result of a transformation.

• Pre-image
• Image

Tags

CCSS.HSG.CO.A.2

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

• (-4, 4)
• (-10, 2)
• (-4, -5)
• (-1, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• right two, down five
• right two, down 9
• left two, down 9
• left two, down 5

Tags

CCSS.HSG.CO.A.2

Determine where T' would be if you translated T 3 units to the right and 6 units up.

• (5, 1)
• (2, -5)
• (-1, 1)
• (8, -2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

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

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

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

• y-coordinate
• x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5