Solving Linear Systems Graphically Answers

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Write each equation in slope-intercept form.

Find that the slope of the first line is –2.

Find that the slope of the second line is –1.

Since the slopes of the lines are different, the lines must have a point of intersection.

The point of intersection is the unique solution.

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Answer:

-2

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Answer:

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Answer:

-7

What do the equations have in common?

Answer:

The slopes are the same. The y-intercepts are the same. The lines are the same.

Question text not available

Answer:

The slopes are different and the y-intercepts are different.

Which statements did you include in your answer?

The slopes are the same.

The y-intercepts are the same.

The lines are the same.

intersect at one point✔ coincideare parallel

Answers:

The system represents lines that , therefore the system has .:coincide

The system represents lines that , therefore the system has .:infinitely many solutions.

no solution.exactly one solution.✔ infinitely many solutions.

no solution.

exactly one solution.

✔ infinitely many solutions.

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