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