What is the product of the roots for the equation $- 2 x^{2} - 6 x - 18$ ?

6

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7

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8

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9

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Solution

The correct option is D $9$
The general form of complete quadratic equation is $a x^{2} + b x + c = 0$
Where, product of the roots $=$ $\frac{c}{a}$
Here, the given equation is $- 2 x^{2} - 6 x - 18$
So, the value of $c = - 18, a = - 2$
Product of the roots $=$ $\frac{- 18}{- 2}$ $= 9$

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