EE-Learning
Why can we subtract one equation from the other in a system of equations?
Catogry:
Math
Subject:
Hacked By Pertex


Course:
Systems Of Equations
Lecture List
Writing two-variable inequalities word problem
Systems of equations with elimination: coffee and croissants
Systems of equations with substitution: coins
Systems of equations with elimination: apples and oranges
Systems of equations with elimination: TV & DVD
System of equations word problem: infinite solutions
System of equations word problem: no solution
System of equations word problem: walk & ride
Age word problem: Arman & Diya
Age word problem: Ben & William
Age word problem: Imran
How many solutions does a system of linear equations have if there are at least two?
Number of solutions to a system of equations algebraically
Number of solutions to a system of equations graphically
Number of solutions to a system of equations
Solutions to systems of equations: dependent vs. independent
Solutions to systems of equations: consistent vs. inconsistent
Systems of equations number of solutions: fruit prices (2 of 2)
Systems of equations number of solutions: fruit prices (1 of 2)
Manipulating expressions using structure (example 2)
Manipulating expressions using structure
Systems of equations with substitution: -3x-4y=-2 & y=2x-5
Systems of equations with substitution: potato chips
Worked example: non-equivalent systems of equations
Worked example: equivalent systems of equations
Why can we subtract one equation from the other in a system of equations?
Systems of equations with elimination (and manipulation)
Systems of equations with elimination (and manipulation)
Systems of equations with elimination: potato chips
Systems of equations with elimination: x-4y=-18 & -x+3y=11
Systems of equations with elimination: King's cupcakes
Systems of equations with graphing: exact & approximate solutions
Systems of equations with graphing: y=7/5x-5 & y=3/5x-1
Testing a solution to a system of equations
Systems of equations: trolls, tolls (2 of 2)
Systems of equations: trolls, tolls (1 of 2)