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Coordinate Proofs

Authored by Anthony Clark

Mathematics

10th Grade

CCSS covered

Coordinate Proofs
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

XWYZ looks like it is a square, but what two slopes here prove it has right angles?

0 and undefined

-1 and 1

-1/2 and 1/2

Tags

CCSS.6.G.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

She was correct. 

Tags

CCSS.8.EE.B.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Brad proved that ABCD is a parallelogram and that all sides had the same distance What should he do next if he wants to prove it is a square?  

He doesn't need to do anything else, it looks like a square so he is all set. 

Compare the slopes of adjacent sides to see if they are perpendicular. 

Tags

CCSS.HSG.CO.C.11

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the image, side AB has a slope of -3 and AD has a slope of 1/3. What does this mean is true?

Side AB and AD are parallel

Side AB and AD form a right angle

Side AB and AD are congruent

Nothing Specific

Tags

CCSS.HSG.CO.C.11

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Drew used the distance formula and found each side to have a distance of 4. What does that mean?

Side AB and AD are parallel

Side AB and AD form a right angle

Side AB and AD are congruent

Nothing Specific

Tags

CCSS.HSG.GPE.B.7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The slope of side AB is -3 and the slope of DC is -3. What does this mean?

Side AB and AD are parallel

Side AB and AD form a right angle

Side AB and AD are congruent

Nothing Specific

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Julia proved ETNU is a parallelogram. She notices that side ET has a slope of 1/2 and EN has a slope of -2. What does this mean?

Side ET and EN are parallel

Side ET and EN form a right angle

Side ET and EN are congruent

Nothing Specific

Tags

CCSS.HSG.CO.C.11

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