Linear Programming — Unit test Answers

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Which step is not necessary when solving this system of equations by graphing?

Identify the point of intersection.

Choose a method to graph the equations.

Determine the shaded area for each line.

Write the solution as an ordered pair.

Which could be the resulting equation when elimination is used to solve the given system of equations?

10a = 60

10b = 60

–10a = 60

–10b = 60

The solution to the given system of linear equations lies in which quadrant?

III

Which ordered pair (x, y) is the solution to the given system of linear equations?

(–1, 0)

(0, –1)

(1, –2)

(1, 4)

Which ordered pair (p, r) is the solution to the given system of linear equations?

(–1, –2)

(–2, –1)

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