How do you know when there are no solutions to a system of equations? How do you know there are infinity many solutions to a system of equations? How do you know when there is o…

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asked Jan 6, 2019 204k views

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Bob Moore · Answer 1 · 2019-01-12T03:37:02+0000

No solution
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The lines are parallel
eg
y = 2x + 3; y = 2x + 5

Infinite solutions
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When one equation reduces to the second one.
2y = 10x + 6
y = 5x + 3 When you divide the first one by 2, you get the second one.

How do you know when there are no solutions to a system of equations? How do you know there are infinity many solutions to a system of equations? How do you know when there is o…

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