Windstream
Ojk's Precalculus Study Page: Polynomial Inequalities, One Variable
This tutorial offers two methods to solve polynomial inequalities. Site includes several examples, charts, graphs, and other information for student understanding.
Khan Academy
Khan Academy: Testing Solutions to Equations
Practice plugging in values to equations and checking to see if the equations hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Sophia Learning
Sophia: Graphing Using Intercepts Tutorial
Follow step by step instruction to solve for x and y-intercepts, plot points, and graph the linear function.
Alabama Learning Exchange
Alex: Imaginary Numbers? What Do You Mean Imaginary?
Is it any wonder that students are suspicious? We lead, sometimes drag, them through Algebra I insisting they must follow the order of operations. We make them learn the "hard way" of doing an assignment one day only to show them the...
Alabama Learning Exchange
Alex: Systems of Equations: What Method Do You Prefer?
The purpose of this lesson is to help students apply math concepts of solving systems of equations to real life situations. The students will use the three methods of graphing, substitution, and elimination to solve the system of...
Illustrative Mathematics
Illustrative Mathematics: A rei.b.4.a: Visualizing Completion of the Square
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.
Lawrence Hall of Science
The Math Page: Topics in Pre Calculus: Roots of Higher Degree Polynomial
Here is a site that clearly and thoroughly explains how to find the roots of polynomials of degree greater than two. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this...
Purple Math
Purplemath: Translating Word Problems: Key Words
Use this lesson to get a clear explanation of how to translate word problems into mathematical equations. Included is a table for common phrases and their mathematical symbols. Use the examples as guides for working on your own problems....
Oswego City School District
Regents Exam Prep Center: Literal Equations
Learn how to solve equations that contain more than one variable.
Other
Universidad Interamericana De Puerto Rico: Desigualidades
Spanish content. Clear step by step directions and examples on how to solve inequalities with one variable. A great supplement in algebra class for the Spanish speaking student.
Curated OER
Egin{displaymath}vert Xvert=left{#8;egin{array}{ll}
This tutorial explains how to solving inequalities with absolute values. Gives examples and exercises with solutions to practice this new skill.
Curated OER
Egin{eqnarray*}f(0)&=&0 0+3=3>0\
A short lesson on solving quadratic and polynomial inequalities.
Curated OER
Egin{eqnarray*}f(0)&=&0 0+2>0\
A short lesson on solving quadratic and polynomial inequalities.
Curated OER
Egin{eqnarray*}f( 2)&=& 8+4<0\
A short lesson on solving quadratic and polynomial inequalities.
Curated OER
Egin{eqnarray*}f( 4)&=& 17<0\
A short lesson on solving quadratic and polynomial inequalities.
Khan Academy
Khan Academy: Two Step Equations Word Problems
Practice two-step equations word problems.
Khan Academy
Khan Academy: Number of Solutions to Equations Challenge
Given a linear equation with missing values, determine appropriate values in order to have one, zero, or infinite solutions. For example, complete the equation -11x + 4 = __x + __ so that it has no solutions. Students receive immediate...
Other
Linear Functions, Slope and Regressions
Find activities here for linear functions, slopes and regression lines. Use them for classroom work or individual assignments.
Khan Academy
Khan Academy: Practice: Testing Solutions to Equations
Given an equation, students are asked to try inserting different values for the unknown and choose the correct solution. Includes hints.
Khan Academy
Khan Academy: Number of Solutions to Equations
Practice telling whether an equation has one, zero, or infinite solutions. For example, how many solutions does the equation 8(3x+10)=28x-14-4x have? Students receive immediate feedback and have the opportunity to try questions...