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Flashcards in Unit 1 Deck (13)
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0

What are the three methods to finding a POI?

Graphing
Substitution
Elimination

1

What is the equation of a line?

y=mx+b

2

How do you find slope?

m= y2-y1/x2-x1

3

Parallel lines have what the same?

Slope

4

What is the slope of a horizontal line?

0
Ex. Y=2

5

What is the slope of a vertical line?

Undefined slope
Ex. x=6

6

Distance formula

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

7

Equation of circle?

X squared + y squared = r squared

8

Circumference of circle?

Pie d or 2 pie r

9

Area of circle?

Pie r squared

10

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

Set y=0

11

What is the axis of symmetry?

x=_
(x value of vertex)

12

What is the optimal value?

y=_
(y value of vertex)