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System of equations

Systems of equations overview

Learn
Systems of equations: trolls, tolls (1 of 2)
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Systems of equations: trolls, tolls (2 of 2)
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Systems of equations with elimination: King's cupcakes
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Systems of equations with elimination: potato chips
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Systems of equations with substitution: potato chips
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Systems of equations number of solutions: fruit prices (1 of 2)
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Systems of equations number of solutions: fruit prices (2 of 2)
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Introduction to systems of equations

Learn
Systems of equations: trolls, tolls (1 of 2)
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Testing a solution to a system of equations
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Systems of equations: trolls, tolls (2 of 2)
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Systems of equations with graphing: y=7/5x-5 & y=3/5x-1
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Systems of equations with graphing: exact & approximate solutions
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Practice
Solutions of systems of equations
4 questions
Systems of equations with graphing
4 questions

Equivalent systems of equations and the elimination method

Learn
Systems of equations with elimination: King's cupcakes
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Systems of equations with elimination: x-4y=-18 & -x+3y=11
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Systems of equations with elimination: potato chips
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Systems of equations with elimination (and manipulation)
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Why can we subtract one equation from the other in a system of equations?
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Worked example: equivalent systems of equations
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Worked example: non-equivalent systems of equations
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Solving systems of equations by elimination (old)
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Elimination method review (systems of linear equations)
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Equivalent systems of equations review
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Practice
Systems of equations with elimination
4 questions
Systems of equations with elimination challenge
4 questions
Equivalent systems of equations
4 questions

Solving systems of equations with substitution

Learn
Systems of equations with substitution: potato chips
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Systems of equations with substitution: -3x-4y=-2 & y=2x-5
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Solving linear systems by substitution (old)
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Substitution method review (systems of equations)
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Practice
Systems of equations with substitution
4 questions

Manipulating expressions with unknown variables

Learn
Manipulating expressions using structure
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Manipulating expressions using structure (example 2)
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Practice
Manipulate expressions using structure
4 questions

Number of solutions to systems of equations

Learn
Systems of equations number of solutions: fruit prices (1 of 2)
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Systems of equations number of solutions: fruit prices (2 of 2)
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Solutions to systems of equations: consistent vs. inconsistent
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Solutions to systems of equations: dependent vs. independent
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Number of solutions to a system of equations
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Number of solutions to a system of equations graphically
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Number of solutions to a system of equations algebraically
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How many solutions does a system of linear equations have if there are at least two?
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Number of solutions to system of equations review
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Practice
Number of solutions to a system of equations graphically
4 questions
Number of solutions to a system of equations algebraically
4 questions

Systems of equations word problems

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Age word problem: Imran
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Age word problem: Ben & William
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Age word problem: Arman & Diya
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System of equations word problem: walk & ride
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System of equations word problem: no solution
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System of equations word problem: infinite solutions
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Systems of equations with elimination: TV & DVD
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Systems of equations with elimination: apples and oranges
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Systems of equations with substitution: coins
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Systems of equations with elimination: coffee and croissants
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Practice
Age word problems
4 questions
Systems of equations word problems
4 questions
Systems of equations word problems capstone
4 questions

Solving equations by graphing (Algebra 2 level)

Learn
Interpreting equations graphically
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Interpreting equations graphically (example 2)
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Solving equations graphically (1 of 2)
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Solving equations graphically (2 of 2)
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Solving equations graphically
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Practice
Interpret equations graphically
4 questions
Solve equations graphically
4 questions

Systems with three variables

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Intro to linear systems with 3 variables
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Solving linear systems with 3 variables
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Solving linear systems with 3 variables: no solution
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3-variable linear system word problem
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Unit test

Test your understanding of System of equations with these 14 questions.

About this unit

This topic covers: - Solutions of linear systems - Graphing linear systems - Solving linear systems algebraically - Analyzing the number of solutions to systems - Linear systems word problems