Which relation is a function? {(1, 3), (2, 6), (3, 9), (4, 12)} {(3, 4), (3, 3), (1, 2), (1, 5)} {(1, 4), (1, 3), (1, 2), (1, 1)
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The positive solution to the quadratic equation is x = 1.39
Given quadratic equation is
<em><u>The general quadratic equation is of form:</u></em>
Now comparing the general equation with the given equation we get
a = 2 , b = 3 and c = -8
<em><u>The formula to determine roots of the quadratic equation is:</u></em>
On plugging in vlaues, we get
On solving we get,
x = 1.39 OR x = -2.89
Hence , the positive solution to the quadratic equation is x = 1.39