Slope-intercept Form
Review of the slope-intercept form showing how to write an equation given the slope and the y-intercept, and how to write an equation to solve for the y-intercept given the slope and one point.
Rewriting Equations for Slope-intercept Form
Rewriting an equation in slope-intercept form.
Practical Problem: Phone Calls With a Surcharge
Using the slope-intercept form of equation, the amount of a hotel will charge to make a call from the phone in their room is calculated.
Practical Problem: The Cost of Plumbing Repairs
A practical application of the slope-intercept equation involving rate of change is demonstrated.
Graphing an Equation with a Negative Slope
A practice problem for using the slope-intercept form to graph a negative slope.
Identifying the Slope and y-intercept in an Equation
How to identify and the y-intercept in an equation.
Finding Slope Examples
Two example of finding slope using a line offer practice of this skill.
Practical Problem in Standard and Slope-intercept Form
Looking at a practical problem from the perspective offered by a slope-intercept solution and from that offered by a standard form equation solution.
Writing a Slope-intercept Equation from a Graph
Constructing a slope-intercept form of equation based on a graph.
Practical Problem: The Height of a Stack of Newspapers
Using the slope-intercept form of equation, a practical problem involving the rate of growth of a stack of newspapers is calculated.