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-16.000001x^2+249.9999999=0
a = -16.000001; b = 0; c = +249.9999999;
Δ = b2-4ac
Δ = 02-4·(-16.000001)·249.9999999
Δ = 16000.0009936
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-\sqrt{16000.0009936}}{2*-16.000001}=\frac{0-\sqrt{16000.0009936}}{-32.000002} =-\frac{\sqrt{}}{-32.000002} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+\sqrt{16000.0009936}}{2*-16.000001}=\frac{0+\sqrt{16000.0009936}}{-32.000002} =\frac{\sqrt{}}{-32.000002} $
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