Graphic of Quadratic Equations
All quadratic equations with two variables have an infinite number of solutions. When graphed, these ordered pairs lie on a curve called a parabola.
Graphing the Equation x y = 10
How to graph a linear equation showing the relationship between the variables.
Identify for Multiplication
The identity for multiplication is one. It applies to all numbers and to algebraic variables and expressions.
Review of Techniques for Solving Systems of Equations
Review of techniques that can be used in solving systems of equations, including the elimination method and the substitution method.
Rules for Multiplying Two Monomials
The rule for multiplying two monomials and an example demonstrating its execution.
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.
Factoring Problems
Factoring polynomials using three examples to practice procedures and techniques. Be sure the polynomial has been simplified before factoring. Remember that some expressions are not factorable.
Rewriting Literal Equations
Working with equations containing more than one variable, called literal equations, using the formula E = RT.
Identities for Addition and Multiplication
Two important laws for solving equations are the identities for addition and multiplication.
Identities for Addition and Multiplication Defined
The identity for addition is zero and the identity for multiplication is one.