1. Section 2.9: Solving Inequalities in One Variable
Have homework out to be checked!
Do Now
Find the x- and y-intercepts of f(x) = x2 – 4
2x2 – 2x – 4
Find the vertical and horizontal asymptotes of f(x) in problem 1. Sketch the graph.
Solve the equation: x – = 3
x2 - 1 x – x + 1

2. Determining Where a Function is Zero, Negative, or Positive
Sign Charts
Graphing

3. Solving Polynomial Inequalities
If written in factored form, use a sign chart to solve.
If written in standard form, use a graph to solve.
Use the other method to check.

4. Polynomial Inequalities w/ Quadratic Factors
Where is this function equal to zero?
Where is this function generating positive values?
Where is this function generating negative values?

5. Inequalities w/ Radical Expressions

6. Absolute Value Inequalities

7. Rewriting Inequalities as a Single Rational Expression

8. Application of Inequalities