Tools for Solving Word Problems
To solve word problems, carefully consider the problem to establish what you are looking for and give it a label, identify the essential information, then build and solve an algebraic equation based on that information, and check your answer.
Factor: 12x2 - 17x 6
Practice factoring a trinomial with a negative middle term: 12x2 - 17x 6.
Guidelines for Solving Word Problems
Guidelines for solving a word problem include evaluating and labeling the information given using your experience and common sense, translating that information into an equation, and checking your solution against the equation and the original situa...
Simplifying by Adding or Subtracting Common Radical Factors
A new guideline for simplifying radicals is introduced: the terms in a fully-simplified radical expression must have no common radical factors. Simplifying a radical expression by adding or subtracting common radical factors is illustrated.
Rate, Time, and Distance Problem
To solve a distance problem, a diagram is drawn, an equation developed based on the essential information, the equation is solved, and the solution is checked.
Practical Problem: Find the Number of Pizzas and Subs
Practice evaluating a practical problem, developing an equation based on the essential information using a table to help, then solving the equation.
Review of Arithmetic Operations
Explains how algebra is different than simple addition, subtraction and multiplication?
Practice Solving a Complicated Rate, Time, and Distance Problem
Practice developing an equation to solve a time and distance problem.
Practice Solving a Word Problem
Practice evaluating and solving a word problem.
Inverse Variation
As the price of an item increases, its sales decrease. This is an example of inverse variation. An inverse variation problem has one constant of variation, but is divided instead of multiplied.