Question

2. If one of the roots of the equation x2 + 6x + k = 0 is 4, the other root is -10​

Answer 1

Answer:

k=

Step-by-step explanation:

one root is 4

then,

${4}^{2} + 6 \times 4 + k = 0 \\ 16 + 24 + k = 0 \\ k = - 40$

one root is -10

then,

${ - 10 }^{2} + 6 \times - 10 + k = 0 \\ 100 - 60 + k = 0 \\ k = - 40$

-40