What happens if the lines are parallel? Go back to the applet and investigate.

Put these two slope-intercept equations into the applet and see what happens.

y = -2x + 4          y = -2x - 3

This activity might not be viewable on your mobile device.Interactive exercise. Assistance may be required.Solving Systems of Linear Equations

Record your answers to the following questions in your notes, then check your answers.

What happens if the lines are parallel?

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Check Your Answer

inconsistent solutionClose Pop Up

 

What do you think this means?

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Check Your Answer

Since the lines never intersect there is no solution.Close Pop Up

 

Try to input these two general form equations into the applet and see if the same thing happens.

4x + 2y = 8          2x + y = - 3