Unit 1 Flashcards

(13 cards)

0
Q

What is the equation of a line?

A

y=mx+b

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1
Q

What are the three methods to finding a POI?

A

Graphing
Substitution
Elimination

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2
Q

How do you find slope?

A

m= y2-y1/x2-x1

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3
Q

Parallel lines have what the same?

A

Slope

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4
Q

What is the slope of a horizontal line?

A

0

Ex. Y=2

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5
Q

What is the slope of a vertical line?

A

Undefined slope

Ex. x=6

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6
Q

Distance formula

A

D=square root x2-x1 squared + y2-y1 squared

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7
Q

Equation of circle?

A

X squared + y squared = r squared

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8
Q

Circumference of circle?

A

Pie d or 2 pie r

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9
Q

Area of circle?

A

Pie r squared

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10
Q

How do you find an x intercept in y=mx+b?

A

Set y=0

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11
Q

What is the axis of symmetry?

A

x=_

x value of vertex

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12
Q

What is the optimal value?

A

y=_

y value of vertex

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