# Solve problems using direct and inverse relationships.

## Definition

Calculate problems as assigned by instructor (i.e., step-up or step-down transformers).

## Process/Skill Questions

• Why is it important for electricians to be able to convert fractions to decimals?
• Why is it important for electricians to understand word problems?
• How are fractions typically used in electrical work?

## Mathematics

### A.4

The student will solve
1. multistep linear and quadratic equations in one variables algebraically;
2. quadratic equations in one variables algebraically;
3. literal equations for a specified variable;
4. systems of two linear equations in two variables algebraically and graphically; and
5. practical problems involving equations and systems of equations.

### AII.3

The student will solve
1. absolute value linear equations and inequalities;
2. quadratic equations over the set of complex numbers;
3. equations containing rational algebraic expressions; and
4. equations containing radical expressions.