# MATH 120 PREREQUISITE SKILLS

**LINEAR EQUATIONS AND INEQUALITIES
**1. Solve linear equations and inequalities

2. Solve literal equations

3. Graph linear equations in slope-intercept form

4. Find the equation of a line through two points

5. Solve applications involving linear equations and inequalities

**SYSTEMS OF EQUATIONS
**1. Solve 2 × 2 systems graphically & algebraically

2. Identify systems as consistent, inconsistent, or dependent

3. Solve applications involving linear systems

**GENERAL FUNCTIONS
**1. Apply the vertical line test to determine if a graph is that of a
function

2. Find the domain and range of a function from a graph

3. Find the domain of a function from its equation

4. Evaluate functions

5. Add, subtract, multiply and divide functions

6. Given two functions, find their composite function

**QUADRATIC FUNCTIONS AND EXPRESSIONS
**7. Factor quadratic expressions of one variable

8. Solve quadratic equations using the quadratic formula

9. Graph a parabola by finding its intercepts and vertex

10. Solve applications involving quadratic equations

**RATIONAL FUNCTIONS AND EXPRESSIONS
**1. Simplify rational expressions

2. Add, subtract, multiply and divide rational expressions

3. Simplify complex fractions

4. Solve rational equations

5. Simplify expressions with rational exponents using laws of exponents

**EXPONENTIAL FUNCTIONS AND EXPRESSIONS
**1. Find nth roots of numbers

2. Simplify radical expressions containing variable terms

**LOGARITHMIC FUNCTIONS AND EXPRESSIONS
**1. Write exponential statements as equivalent logarithmic statements, and
vice versa

2. Simplify expressions using laws of logarithms