Question

the sum of the roots of the quadratic equation X square + kx + 6 is equal to zero is minus 5 then K is equal to

Answer 1

k=4

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Answer 2

The correct answer is 5.

Given: The equation = $x^{2} +kx+6=0$.

Sum of roots = -5.

To Find: The value of k.

Solution:

Sum of roots = $\frac{-coefficient of x}{coefficient of x^{2} }$

Sum of roots = $\frac{-b}{c}$

In the equation $x^{2} +kx+6=0$.

Sum of roots = $\frac{-k}{1}$

Sum of roots = -k

-k = -5

k = 5

Hence, the value of k is 5.

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