SOLUTION: Please help me with the following homework question, I believe the obvious answer is 600 but I'm not sure. P(x)=-0.002x²+1.2x-300
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Question 134161: Please help me with the following homework question, I believe the obvious answer is 600 but I'm not sure. P(x)=-0.002x²+1.2x-300
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
P(X)=-.002X^2+1.2X-300
USING THE QUADRATIC EQUATION:
X=(-1.2+-SQRT{1.2^2-4*-.002*-300])/2*-.002
X=(-1.2+-SQRT[1.44-2.4])/-.004
X=)-1.2+-SQRT-.96)/-.004
X=(-1.2+-.98i)/-.004
X=(-1.2/-.004+-.98i/-.004
X=300+-245i ANSWERS.