Practical Problem: Furniture Salesperson Earnings
Using the slope-intercept form to solve a practical problem involving calculating earnings.
Solving the Same Rate-Time-Distance Problem Using One and Two Variables
Two different ways to write an algebraic equation for the same word problem involving rate, time, and distance are compared.
Solving the Same Word Problem Using One and Two Variables
Three different approaches to solving the same practical problem are demonstrated. Two approaches using one variable and a two-variable system all produce the same solution to the question of how many balcony seats and how many floor seats can be so...
Solving a Word Problem Using Two Variables
Writing and solving a word problem using a two-variable approach.
Solving a Word Problem Using One Variable
Writing and solving a word problem using a one-variable approach.
Solving a Mixture Problem Using Two Variables
A word problem involving mixing a solution that needs to be 25 percent chlorine is analyzed, the unknown identified, and a two-variable system of equations written to solve the problem.
Some Problems are More Easily Solved Using Two Variables
A practical problem is presented that demonstrates a situation in which two variables and a system of equations is the easiest way to reach a solution.
Solving a Rate-Time-Distance Problem Using Two Variables
Writing a two-variable system of equations to solve a practical problem involving rate, time, and distance using a table to help organize the information.
Example of Solving Systems with Fractions
Solving another system of equations using multiplication and the least common denominator to find the solution.