Systems of equations

Intro to systems of equations

Learn

Systems of equations: trolls, tolls (1 of 2)
(Opens a modal)
Systems of equations: trolls, tolls (2 of 2)
(Opens a modal)
Testing a solution to a system of equations
(Opens a modal)

Practice

Solutions of systems of equationsGet 3 of 4 questions to level up!

Systems of equations with graphing

Learn

Systems of equations with graphing
(Opens a modal)
Systems of equations with graphing
(Opens a modal)
Systems of equations with graphing: y=7/5x-5 & y=3/5x-1
(Opens a modal)
Systems of equations with graphing: 5x+3y=7 & 3x-2y=8
(Opens a modal)
Systems of equations with graphing: chores
(Opens a modal)
Systems of equations with graphing: exact & approximate solutions
(Opens a modal)

Practice

Systems of equations with graphingGet 3 of 4 questions to level up!

Solving systems with substitution

Learn

Systems of equations with substitution: 2y=x+7 & x=y-4
(Opens a modal)
Systems of equations with substitution
(Opens a modal)
Systems of equations with substitution: y=4x-17.5 & y+2x=6.5
(Opens a modal)
Systems of equations with substitution: -3x-4y=-2 & y=2x-5
(Opens a modal)
Systems of equations with substitution: 9x+3y=15 & y-x=5
(Opens a modal)
Systems of equations with substitution: y=-5x+8 & 10x+2y=-2
(Opens a modal)
Systems of equations with substitution: y=-1/4x+100 & y=-1/4x+120
(Opens a modal)
Substitution method review (systems of equations)
(Opens a modal)

Practice

Systems of equations with substitutionGet 3 of 4 questions to level up!

Number of solutions to systems of equations

Learn

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

Practice

Number of solutions to a system of equations graphicallyGet 3 of 4 questions to level up!
Number of solutions to a system of equations algebraicallyGet 5 of 7 questions to level up!

Systems of equations word problems

Learn

Age word problem: Imran
(Opens a modal)
Age word problem: Ben & William
(Opens a modal)
Age word problem: Arman & Diya
(Opens a modal)
System of equations word problem: walk & ride
(Opens a modal)
System of equations word problem: no solution
(Opens a modal)
System of equations word problem: infinite solutions
(Opens a modal)
Systems of equations with substitution: coins
(Opens a modal)

Practice

Age word problemsGet 3 of 4 questions to level up!
Systems of equations word problemsGet 3 of 4 questions to level up!

About this unit

A "system of equations" is when we're dealing with more than one equation at the same time. These tutorials show you how to set up and solve systems of equations.