Industrial Math: Algebra

State the difference between arithmetic and algebraic operations. Define the terms constant unknown variable and equation. Describe how equations are used to solve an arithmetic or algebraic problem. Explain how to maintain an equations balance. Describe how the unknown in an equation can be isolated. Describe the operation of distribution. Describe the operation of factoring. Explain what a ratio is and how ratios can be expressed. Explain the difference between a direct proportion and an inverse proportion. Explain how to use a calculator.