Factor 18x - 12y
Using the distributive law to factor the polynomial 18x - 12y is demonstrated.
Factoring Polynomials - The Distributive Law
Factoring is the process of writing a polynomial as a product of its factors. The distributive law is one of a number of ways to factor polynomials.
Solving an Equation with a Fraction
Most people are more comfortable working with whole numbers than with fractions, so when an equation includes a fraction the first thing to do is get rid of the denominator.
Solving a Complicated Cash Register Problem
A store manager needs to calculate how many bills of each denomination she can get with $100 in order to begin the day with enough change in her cash register, knowing she needs only one $20 bill. The solution is presented step-by-step.
Two Solutions to a Complicated Copy Machine Problem
Complicated word problems are best handled by breaking them into simpler parts, as demonstrated in a rate and time problem. Two different approaches, both using a table to help organize the data, lead to the correct conclusion.
Solving Systems with Substitution
An introduction to using the algebraic method of substitution to solve a system of equations in which one of the equations is not in slope-intercept form.
Commutative, Associative, and Distributive Laws, The
Why the commutative, associative, and distributive laws are important to algebraic operations.
Distributive Law Demonstrated
The distributive law of multiplication over subtraction defined and explained.
Distributive Law at Work
A practical application of the distributive law is presented.