Homework 2

In the diagram, congruent figures 1, 2, and 3 are drawn. Which sequence of transformations maps figure 1 onto figure 2 an then figure 2 onto figure 3?

• A reflection followed by a translation

• A rotation followed by a translation

• A translation followed by a reflection

• A translation followed by a rotation

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

A sequence of transformatiosn maps rectangle ABCD onto rectangle A''B''C''D'', as shown in the diagram. Which sequence of transformations maps ABCD onto A'B'C'D' and then maps A'B'C'D' onto A''B''C''D''?

• A reflection followed by a rotation

• A reflection followed by a translation

• A translation followed by a rotation

• A translation followed by a reflection

Solve for x

• x = 2
• x = 4
• x = 6
• x = 8

Tags

CCSS.3.MD.D.8

Given that R is between S and T.
RS=6, TR=4.5, TS= ______

• 1.5
• 10.5
• 6
• 4.5

Tags

CCSS.HSG.SRT.B.4

Solve

• x = 5

• x = 11

• x = 33

• x = 55

Identify the smallest angle of rotation that maps the image to itself.

• 60°
• 120°
• 180°
• 90°

Tags

CCSS.HSG.CO.A.4

Identify the smallest angle of rotation that maps the image to itself.

• 120°
• 180°
• 90°
• 60°

Tags

CCSS.HSG.CO.A.4

What is the contrapositive?
If Bobby joins soccer, then he will have to practice after school.

• If Bobby does not join soccer, then he will not have to practice after school.
• If Bobby has to practice after school, then he joined soccer.
• If Bobby does not have to practice after school, then he did not join soccer.
• If Bobby does not have to practice after school, then he did join soccer.

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

Conditional: If it does not rain, then we will have practice.
What is "If it rains today, then we will have not practice", called

• Inverse
• Converse
• Contrapositive
• Counterexample

Tags

CCSS.HSS.CP.A.3