Review of Equation-Solving Strategies
Review of three strategies for solving equations.
Review of Solving Complicated Word Problems
Summary of how to solve a complicated word problem.
Review of Guidelines for Solving Problems
Review of guidelines for solving word problems.
Practical Problem: Two Solutions for a Work Problem
A practical work problem that requires finding out how long it will take two workers with different work speeds to complete a task is solved using an equation with a rational expression. Two different approaches to finding the solution to this probl...
Practical Problem: Two solutions for a Pool Problem
A work problem is presented to determine how long it will take to fill a pool that has an open drain.
Practical Problem: Threshold Weight
Direct variation is used in a practical problem to find the threshold weight for men of different heights.
Practical Problem: Wages of an Electrician and an Apprentice
Using the elimination method of calculate the hourly pay rates of an electrician and his apprentice on two different jobs given the total cost of each job.
Practical Problem: Where to Place the Braces
The Pythagorean Theorem is used to calculate where the braces should be placed to hang a store's sign so that the bottom falls six inches above the door.
Finding Rate From a Graphed Line
Plotting a second line on a graph produces a comparison of the hourly cost to park at two different parking lots.
Solve: 9x2 - 24x = -16
Practice solving an equation using the quadratic formula: 9x2 - 24x = -16.