Question

if x= √3 is a solution of quadratic equation xsquare + kx - 6 = 0 find the value of k.

Answer 1

3+k√3-6=0
k√3=3
k=3÷√3
therefore k=√3

Answer 2

if x =√3
given that x²+kx -6 =0
to find k
putting value of k in equation, we get
√3² +k√3 -6= 0
3+√3k -6=0
√3k =3
k =3/√3=√3
k=√3=1.73 answer