#1 Lines
Quick Review
Quick Review
Quick Review
Quick Review Solutions
Quick Review Solutions
Quick Review Solutions
What you’ll learn about… Increments Slope of a Line Parallel and Perpendicular Lines Equations of Lines Applications …and why. Linear equations are used extensively in business and economic applications.
Increments
Example Increments
Slope of a Line A line that goes uphill as x increases has a positive slope. A line that goes downhill as x increases has a negative slope.
Slope of a Line
Parallel and Perpendicular Lines
Equations of Lines
Example Equations of Lines
Point Slope Equation
Example: Point Slope Equation
Equations of Lines
Slope-Intercept Equation
General Linear Equation Although the general linear form helps in the quick identification of lines, the slope-intercept form is the one to enter into a calculator for graphing.
Example Analyzing and Graphing a General Linear Equation [-10, 10] by [-10, 10]
Example Determining a Function f(x) -1 1 5 3 11
Example Reimbursed Expenses