SOLUTION: use the graph y=-x^2-3x+4 to help solve the inequality -x^2-3x+4>0 ?

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Question 598961: use the graph y=-x^2-3x+4 to help solve the inequality -x^2-3x+4>0 ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
y=-x^2-3x+4 to help solve the inequality -x^2-3x+4>0 ?
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graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C-x%5E2-3x%2B4%29
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Find the x-intercepts:
-x^2-3x+4 = 0
x^2+3x-4 = 0
(x+4)(x-1) = 0
x = 1 or x = -4
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The "greater than zero" interval is -4< x <1
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Cheers,
Stan H.