Precalculus Resources

Quadratic Best Fit on a TI 84

Quadratic Regression Calculator

Arithmetic Operations With Polynomials - This calculator performs arithmetic operations with polynomials i.e., addition, subtraction, multiplication and division.

Synthetic Division Calculator - Divide polynomials, Determine remainder, Check if $x-c$ is factor. .

Expand and Simplify Polynomials - This calculator will expand and simplify any polynomial. To see 

Polynomial Roots Calculator - finds the roots of any polynomial.

Factoring Polynomials Calculator - This online calculator writes a polynomial as a product of linear factors.

Polynomial Generator from Roots - This calculator can generate polynomial from given roots.

Polynomial Graphing Calculator - With this calculator you can calculate and graph: the roots (x-intercepts), signs, Local Maxima and Minima, Increasing and Decreasing Intervals, Points of Inflection and Concave Up/Down intervals.

1. Quadratic Inequalities
2. Quadratic Inequalities (Visual Explanation)