In this video we look at three different word problem examples where systems of equations are used to solve each problem. Here we use both the substitution and eliminations methods.
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Arithmetic Series
Sigma Notation
Solving Absolute Value Inequalities
Solving Absolute Value Equations
Inclusive and Mutually Exclusive
And vs Or in Probability
Solving Quadratics Using Square Root Property
Zero Product Property and Solving by Factoring
Graphing Systems of Linear Inequalities
Graphing Linear Inequalities
Solving Word Problems Using Systems of Equations
Solving Systems of Equations with 3 Equations and 3 Unknowns
Solving Systems of Equations by Graphing Using Desmos
Solving Systems of Equations by Elimination
Solving Systems of Equations by Substitution
Writing Equations of Lines Given Slope and a Point
Parametric Equations: Finding Rectangular Coordinates Given Polar Equations
Solving Quadratic Equations by Graphing with Desmos
Solving Trigonometric Equations
Deriving Tangent Sum and Difference Identities
Using Sum and Difference Identities for Sine and Cosine
Permutations vs Combinations
Trig Identities Proofs #4 Video
Trig Identities Proofs Video #3