SOLUTION: how do you know when an equation has an infinite number of solutions?
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Question 401231: how do you know when an equation has an infinite number of solutions?
Found 2 solutions by Alan3354, richard1234:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If the # of variables is more than the # of independent equations, there are an infinite # of solutions.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
The graphs intersecting at infinitely many points is one way to tell. For example, the equation has infinitely many solutions because the graphs intersect at infinitely many points:
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