Geometry Ch. 3 Review

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

Rotating a pre-image _____degrees will place it back to its original position.

• 180
• 90
• 270
• 360

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When rotating a figure on the coordinate plane, we only rotate _____________. 

• Counterclockwise
• Clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a 180 degree rotation?

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a 270 degree counterclockwise rotation?

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The shapes stay congruent when translating, rotating, and reflecting.

• True
• False

Tags

CCSS.HSG.CO.B.6

CCSS.8.G.A.2