Unit 2 Test Flashcards by Keirsten Rogers

Q

Whats the formula for Pythagorean Theorem?

A

a2 + b2 = c2

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Q

Whats the formula for distance.

A

(x2 -x1)2 + (y2 - y1)2 squared

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Q

Whats the formula for Midpoint?

A

( x1 + x2/ 2 , y1 + y2/2)

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Q

What does the m in slope equal?

A

rise/run

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Q

Whats the formula for slope?

A

y2 - y1/ x2 - x1

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Q

What does m stand for?

A

slope

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Q

What does b stand for?

A

y - intercept

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Q

How do you know if two lines are parallel?

A

same slope

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Q

How do you know if two lines are perpendicular?

A

slopes are opposite (negative) reciprocals

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