quick review 1st sem geometry

True or False : When you transform a figure, it is congruent to the original figure.

• True
• False

Shapes that are identical in size, shape and measure are...

• Congruent 
• Image 
• Angles 
• Vertices 

Tags

CCSS.8.G.A.2

If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be? Here is the rule: (x, y) --> (-y, x)

• (-5, 5)

• (-3, 5)

• (-5, 3)

• (-3, 3)

Which answer shows a reflection across the x-axis?

• a

• b

• c

• d

What are the series of rigid motions that would map ∆ABC onto ∆A''B''C''?

• a reflection followed by a rotation
• a reflection followed by a translation
• a translation followed by a rotation
• a translation followed by a reflection

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Describe the transformation shown in the graph.

• Reflect over x-axis
• Reflect over y-axis
• Rotate 180 degrees
• Translate 4 units right

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Select the correct transformation.

(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

A translation of (6, 2) followed by a translation of (6, -4) is equal to the single translation of 

• (-12, 2)
• (0, -4)
• (12, -2)
• (0, 6)

What is the measure of ∠2?

• 38
• 58
• 71
• 142

Tags

CCSS.7.G.B.5

Find the values of x and y.

• x=7 ; y=25

• x=5 ; y=25

• x=7 ; y=5

• x=5; y=5

Tags

CCSS.7.G.B.5