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OpenStudy (anonymous):
How many solutions are there to the equation -3.5n^2+70n+280
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OpenStudy (anonymous):
Hmm Two I guess
OpenStudy (anonymous):
\[ax^2 + bx + c\] a is negative, implying parabola opens downwards \[b^2 - 4ac> 0 \implies (70)^2 - 4 \times (-3.5)\times 280> 0 \] Two Unique Solution
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