SOLUTION: y= x2 + 28x + 196 What is the x-intercept of the graph of the equation

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Question 441469: y= x2 + 28x + 196
What is the x-intercept of the graph of the equation
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
y= x^2 + 28x + 196
What is the x-intercept of the graph of the equation
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Let y = 0; solve for "x":
x^2 + 28x + 196 = 0
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x = [-28 +- sqrt(28^2-4*1*196)]/2
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x = [-28 +- sqrt(0)]/2
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x = -14
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Cheers,
Stan H.
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