coefficient matrix 11 videos

Solving Systems using Matrices
Algebra Solving Systems of Equations
How to use matrices to solve a system of equations.
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Factoring Trinomials, a = 1
Algebra Factoring
How to factor a trinomial with a leading coefficient of 1.
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Difference of Perfect Squares
Algebra Factoring
How to recognize and factor a binomial that is the difference of perfect squares.
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Selling Multiple Items
Algebra Word Problems Using Systems of Equations
How to set up a system of equations to represent word problems where someone is selling multiple items.
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Factoring Trinomials, a is not 1
Algebra Factoring
How to factor trinomials when the leading coefficient is not one.
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Dilations of Quadratic Graphs
Algebra Quadratic Equations and Functions
How to graph parabolas that are wide or skinny or upside down without making a table of values.
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The Quadratic Formula
Algebra Quadratic Equations and Functions
How to use the quadratic formula to solve quadratic equations.
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Simplifying Expressions and Combining Like Terms
Algebra PreAlgebra
How to simplify expressions by distributing and/or combining like terms.
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Solving Systems of Equations using Elimination
Algebra Solving Systems of Equations
How to solve a system of equations using elimination.
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Standard Form of Linear Equations
Algebra Linear Equations and Their Graphs
How to determine what form an equation is written in.
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Polynomial Vocabulary
Algebra Polynomials
How to understand the vocabulary of polynomials.
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