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R2 | Proofs & Logic

Authored by Johanna Brown

Mathematics

9th Grade

CCSS covered

Used 2+ times

R2 | Proofs & Logic
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When taking the converse we ___________ the hypothesis and conclusion.

negate
switch
leave the same
switch and negate

Tags

CCSS.L.8.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When taking the inverse we _____________ the hypothesis and conclusion.

negate
switch
switch and negate
leave the same

Tags

CCSS.RL.11-12.9

CCSS.RL.6.3

CCSS.RL.7.3

CCSS.RL.8.3

CCSS.RL.9-10.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given, "If angles are congruent, then the measures of the angles are equal." Identify the contrapositive.

If the measures of the angles are equal, then the angles are congruent.
If angles are not congruent, then the measures of the angles are not equal.
If the measures of the angles are not equal, then the angles are not congruent.
If the angles are not congruent, then the measure of the angles are equal.

Tags

CCSS.8.G.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given, "If angles are congruent, then the measures of the angles are equal." Identify the converse.

If the measures of the angles are equal, then the angles are congruent.
"If angles are not congruent, then the measures of the angles are not equal."
If the measures of the angles are not equal, then the angles are not congruent.
If the angles are not congruent, then the measure of the angles are equal.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does it mean to bisect a segment or an angle?

Split it into 3 equal parts.

Split it into 2 equal parts.

Split into 4 equal parts.

Double it.

Tags

CCSS.HSG.CO.C.11

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the given proof, what are the reasons for step 1 and 2?

Angles that form a linear pair are supplementary.

Substitution

Reflexive Property of Congruence

Angles of equal measure are congruent.

Tags

CCSS.7.G.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the given proof, what is the statement for step 2?

Tags

CCSS.HSG.CO.C.9

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