Linear Functions: Has one independent variable and one dependent variable. Forms: y=mx+b (standard notation) or f(x) = mx + b (function notation)
Slope: (rate of change) How steep a straight line is. Form: rise/run or change in y values/change in x values
Average Rate of Change: The slope over a specified interval such as [2, 4], both numbers represent x-values
Y-intercept: (initial value) where the equation crosses the y-axis
Slope-Intercept Form: Is the equation of a line in a form that one can easily see the slope (steepness) and the y-intercept. y=mx+b where m is slope and b is y-intercept.
Parallel Lines: Two lines on a plane that never meet. They are the same distance apart.
Equation of Parallel Lines: To find the equation of a line parallel to another line. Keep the slope and use a given point to find the y-intercept.
Perpendicular Lines: Two lines that cross at a 90 degree angle.
Equation of Perpendicular Lines: To find the equation of a line perpendicular to another. Slope - inverse reciprocal and use a given point to find the y-intercept.
Arithmetic Sequences: A sequence that is made by adding the same number each time.