Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solutions Using the Discriminant

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to use the discriminant to solve problems and determine the number of solutions to quadratic equations.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Polynomial Inequality Problem

For Students 9th - 10th Standards
This site from Drexel University answers student question about solving polynomial inequalities, "Dr. Math" provides a fairly thorough explanation in how to solve such problems.
Website
Discovery Education

Discovery Education: Web Math: Algebra

For Students 9th - 10th
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
Activity
Other

Math Mistakes: Common Algebra Mistakes

For Students 9th - 10th
Learn from other student's mistakes by reviewing examples of the following Algebra topics: rational expressions, radical expressions, function notation, solving linear equations, solving linear inequalities, solving quadratic equations,...
Graphic
Curated OER

Egin{eqnarray*}f(0)&=&0 0+3=3>0\

For Students 9th - 10th
A short lesson on solving quadratic and polynomial inequalities.
Graphic
Curated OER

Egin{eqnarray*}f(0)&=&0 0+2>0\

For Students 9th - 10th
A short lesson on solving quadratic and polynomial inequalities.
Graphic
Curated OER

Egin{eqnarray*}f( 2)&=& 8+4<0\

For Students 9th - 10th
A short lesson on solving quadratic and polynomial inequalities.
Graphic
Curated OER

Egin{eqnarray*}f( 4)&=& 17<0\

For Students 9th - 10th
A short lesson on solving quadratic and polynomial inequalities.
Activity
Saddleback College

Algebra2 Go: Beginning Algebra

For Students 9th - 10th Standards
The resource consists of comprehensive notes, videos, and worksheets through which students can review algebra concepts.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.b.4.a: Visualizing Completion of the Square

For Teachers 9th - 10th
The purpose of this visualization task is to help provide geometric intuition for the algebraic process called ''completing the square.'' Aligns with HSA-REI.B.4.a.
Activity
Richland Community College

Richland Community College: Math 116 Lecture Notes

For Students 9th - 10th Standards
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."