Practical Problem: Pay Rate for Shipping Clerks
Practical problems that involve finding a single solution that satisfies two conditions or requirements can be solved using a system of equations. The substitution method is demonstrated in an example involving pay rates for two employee groups and ...
Multiplying Two Factors with the Same Base
The rules for exponents begin with the rule for multiplying two factors with the same base.
Roots of Variables
Simplifying radicals with cube and other roots and variables.
Simplifying a Radical by Factoring the Radicand
Simplifying a radical by factoring the radicand is demonstrated. The goal of simplifying a radical is to make an expression easier to deal with by getting the smallest number possible under the radical sign.
Simplifying Radicals Using Multiplication
Radicals are simplified using multiplication, illustrating when to multiply first and then find the square root of the product and when to find the square root first and then multiply.
Simplifying Radicals With Variables
Using the rules for simplifying radicals with numbers in the radicand to simplify radicals with variables.
Review of Equation-Solving Strategies
Review of three strategies for solving equations.
Rationalizing the Denominator with Variables in the Radicand
Rationalizing the denominator with a variable in the radical is demonstrated.
Factoring Review
A review of factoring of numbers and polynomials.
Solve: 9x2 - 24x = -16
Practice solving an equation using the quadratic formula: 9x2 - 24x = -16.