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Week 8 Concept Check - would be x=4 If the line crosses the...

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If you are looking at a graph of a quadratic equation, how do you determine where the solutions are? The solutions on a graph of a quadratic equation are the x-coordinates of the points where the line crosses the x-axis. If the line crosses the x-axis at (4, 7), then one solution of the quadratic equation
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Unformatted text preview: would be x=4. If the line crosses the x-axis at two points, then there are two real solutions to the quadratic equation. It the line only crosses the x-axis at one point, then there is one real solution. If the line does not cross the x-axis, then there is no real solution....
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