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What are the prerequisites for algebra 2?
This answer will vary depending on your high school's or college's requirements; but generally, one must have a strong grasp of graphing, systems of equations, and factoring before beginning algebra 2.
What is the answer to the systems of equations 2x plus y equals 6 6x plus 3y equals 18?
2x + y = 66x + 3y = 18Usually you can use elimination, substitution, graphing, matrices, etc. to find the answer to this system. If you use any of these methods (elimination and graphing in particular) you will see that these two equations are actually the same: multiply the first equation by three and you will see what I mean.So picture it: graphing this system would essentially be drawing the same line twice. The two lines always overlap, so the equations share infinite solutions. Therefore the solution to the system is the whole line, or all the (x, y) points that satisfy 2x + y = 6.
Why is graphing a systems of inequalities a good way to show the solution set?
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What can systems of equations be solved by?
By elimination or substitution
What is a systems of equations that has the same solution set as another system?
They are called equivalent systems.
