Question

The equation X square + 44 X + K is equals to zero has real roots find the value of k

Answer 1

If a quadratic had real roots, then the discriminant must be greater or equal to 0, therefore:


`{44}^(2) - 4k \geqslant 0`

`4k \leqslant {44}^(2)`

`k \leqslant 484`