system of equations 190 videos

Applications of Linear Equations
Algebra Linear Equations and Their Graphs
How to write equations for and graph word problems.
word problem equation 
Solving Linear Equations
Precalculus Linear Equations and Inequalities
How to solve a linear equation in one variable.
solving linear equations 
Solving Linear Equations
Algebra 2 Linear Equations
How to solve a linear equation in one variable.
solving linear equations 
Applications of Linear Equations
Algebra 2 Graphs of Linear Equations
How to write equations for and graph word problems.
word problem equation 
Solving a Logarithmic Equation
Precalculus Exponential and Logarithmic Functions
How to solve a logarithmic equation by putting it into exponential form.
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Solving a Logarithmic Equation
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to solve a logarithmic equation by putting it into exponential form.
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Writing an Equation to Describe Pictures
Algebra Graphs and Functions
How to write an equation to describe a set of pictures.
equation pattern slope y intercept 
Solving Exponential Equations with the 'Same' Base
Precalculus Exponential and Logarithmic Functions
How to solve an exponential equation where the bases are the same.
solving exponential equations bases equal 
Solving Exponential Equations with the 'Same' Base
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to solve an exponential equation where the bases are the same.
solving exponential equations bases equal 
Solving Multistep Equations
Algebra Solving Equations
How to solve multistep equations.
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Solving a Logarithmic Equation with Multiple Logs
Precalculus Exponential and Logarithmic Functions
How to solve a logarithmic equation by condensing one, or both, sides.
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Solving a Logarithmic Equation with Multiple Logs
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to solve a logarithmic equation by condensing one, or both, sides.
log equation logarithmic equation logarithmic form exponential form condense 
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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Solving a Rational Equation for a parameter
Algebra 2 Rational Expressions and Functions
How to solve a simple rational equation for a parameter.
rational equation parameter variable lcd least common denominator 
The Vector Equation of a Line
Precalculus Vectors and Parametric Equations
How to write the vector equation of a line.
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Cramer's Rule
Precalculus Systems of Linear Equations and Matrices
How to solve a system of two linear equations with two unknowns using Cramer's rule.
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Solving Trigonometric Equations
Trigonometry Advanced Trigonometry
How to solve a simple sine equation: sin (theta) = 1/2.
trigonometric equations sine inverse sine supplement of an angle periodicity 
Trigonometric Equations that Require Factoring
Trigonometry Advanced Trigonometry
How to solve a sine equation by factoring: 4 [sin(theta)]^2 = 2.
trigonometric equations factoring the unit circle principal solutions periodicity