Question

Solve by graphing. Be sure to use a perfect graph. Enter the ordered pair you found as the answer.

y = x - 2


y = 3x

Answer 1

(x, y) = (-1, -3)

Explanation:

You want to solve this system of equations by graphing:

• y = x -2
• y = 3x

Solution

The attached (perfect) graph shows the solution is (x, y) = (-1, -3).

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Additional comment

The first equation has a slope of 1 and a y-intercept of -2.

The second equation has a slope of 3 and goes through the origin.

The lines cross at (x, y) = (-1, -3), which is the solution to these equations.

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