SOLUTION: How do you determine where the solutions are when looking at a graph of a quadratic equation?
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Question 537021: How do you determine where the solutions are when looking at a graph of a quadratic equation?
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Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How do you determine where the solutions are when looking at a graph of a quadratic equation?
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You may remember that when we want to find an algebraic solution to a quadratic equation, we must first set the equation equal to zero, then solve for x. So when you look at a graph of a quadratic equation, the solutions are where the curve crosses the x-axis. The x values at these points makes the equation equal to zero. These x values are called zeros or roots. Note that if there is no crossing of the x-axis, there is no real number solution.
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