Exam Vocab Flashcards by Leila Neely

Q

Complementary angles

A

add up to 90°

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Q

Supplementary angles

A

add up to 180°

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Q

Distance formula

A

√(x2 - x1) ² +(y2 - y1) ² (square root)

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Q

Midpoint formula

A

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

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Q

Conditional

A

If, then statement p→q

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Q

Converse (reverse)

A

flipped conditional q→p

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Q

Inverse

A

Negative conditional -p→-q

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Q

Contraposotive

A

flipped conditional, and negative

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Q

Biconditional

A

If and only if statement

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Q

Bisector

A

divides something into equal parts

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Q

Slope formula

A

y2 - y1 / x2 - x1

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Q

Parallel lines have…

A

the same slopes, 1/2 1/2

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Q

Perpendicular lines have…

A

opposite slopes, 1/2 -2/1

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