Question

Find the value of k for which x=-2 is a root of the quadratic equation kx^2+x-6=0​

Answer 1

Answer:

since x=-2

=> k(-2)²-2-6=0

=> 4k - 8 = 0

=> k=2

Answer 2

Step-by-step explanation:

if x=-2 is a root of this equation then it satisty the equation

4k-2+6=0

4k=-4

k=-1