Pre-Calculus
Rectangular Coordinates, Graphs Of Equations
Equations
Pythagorean Theorem: a + b = c
Distance Formula:
Midpoint formula:
Graph Shapes
1
Notes
Cartesian Plane
2
1
3
4
The plane on which you graph. Has four quadrents
Scatter Plot
All points, n

Pre-Calculus
Functions
Relations
Sets of ordered pairs
Functions
A type of relation where every output has 1 input
Vertical Line Test
If a vertical line was drawn and it could touch more than 1 point, its not a function
Dependent variable
Cariable whose v

Pre-Calculus
Graphs of Equations, Linear Equations With Two Variables
Equations
Slope formula:
Slope-Intercept form: y = (slope)X + (y-intercept)
Point-Slope form: Y2 - Y1 = M (X2 - X1)
Notes
Inequalities
If an inequality is multiplied or divided by a neg