Intermediate Algebra

Solve the system of equations by graphing. Then classify the system.
y=-x-13
5x-4y=-20

What is the solution of the system?
a)The solution is___?
b)There are infinitely many solutions
c)There is no solution

Is the system consistent or inconsistent?
a)inconsistent
b)consistent

Are the equations dependent or independent?
a)dependent
b)independent

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  1. since the lines are not the same or parallel, then they have a single solution.

    I'm sure you can come up with it.

    So, the equations are independent and consistent.

    dependent means they are the same line
    inconsistent means they are parallel lines.

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    posted by Steve

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