Transformations Review

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

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

What is true for a pre-image and image when a reflection is preformed?

• The image is larger
• The pre-image is larger
• The image has different angle values
• The pre-image and image are the same size

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• x-axis
• x-coordinate
• y-coordinate
• none of the above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?

• S'(3, 7)
• S'(-3, 7)
• S'(-3, -7)
• S'(3, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point that is to be transformed is called the:

• Pre-Image
• Image
• Post-Image
• Triangle

Tags

CCSS.HSG.CO.A.2

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?

• (x,y)→(y, -x) 
• (x,y)→(-x,-y)
• (x,y)→(-y,x)
• (x,y)→(x,y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When you dilate, you ______ x and y by a number.

• Multiply
• Add
• Subtract
• Divide

Tags

CCSS.8.G.A.3

Going from (x,y) to (-y,x) will result in a counter-clockwise rotation of _____ degrees.

• 90
• 180
• 270
• 360

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5