College Algebra

Learn the toughest concepts covered in Algebra with step-by-step video tutorials and practice problems by world-class tutors

6. Systems of Equations and Inequalities

Systems of Linear Equations in Two Variables
Determine Whether an Ordered Pair is a Solution of a Linear System

3 videos

Systems of Linear Equations in Two Variables
Solve Problems Using Systems of Linear Equations

3 videos

Systems of Linear Equations in 3 Variables
Verify Solution of a System of Linear Equations in 3 Variables

1 video

Partial Fractions
Decompose P / Q, Where Q Has Only Distinct Linear Factors

4 videos

Partial Fractions
Decompose P / Q, Where Q Has a Nonrepeated Prime Quadratic Factor

4 videos

Partial Fractions
Decompose P / Q, Where Q Has a Prime, Repeated Quadratic Factor

4 videos

Systems of Nonlinear Equations in Two Variables
Recognize Systems of Nonlinear Equations in Two Variables

4 videos

Systems of Nonlinear Equations in Two Variables
Solve Nonlinear Systems by Addition

1 video
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Systems of Inequalities
Graph a Nonlinear Inequality in Two Variables

1 video
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Systems of Inequalities
Use Mathematical Models Involving Linear Inequalities

2 videos

Linear Programming
Write an Objective Function Describing a Quantity That Must Be Maximized or Minimized

4 videos

Linear Programming
Use Inequalities to Describe Limitations in a Situation

2 videos