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Mathematics 8 Online
OpenStudy (anonymous):

What are the x-intercept(s) of the graph of y - x2 = -3x - 10?

OpenStudy (asnaseer):

when the graph crosses the x-axis, its y-value is zero. so, in order to find the x-intercepts, just set y=0 and solve:\[0-x^2=-3x-10\]

OpenStudy (asnaseer):

this can be re-arranged into a standard quadratic equation as follows:\[x^2-3x-10=0\]

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