Question

if one of the roots of quadratic equation.kx2-7x+3=0 is 3 then find the value of k ​

Answer 1

Step-by-step explanation:

ANSWER

One root of the equation, kx

2

−7x+3=0 is 3

∴k(3)

2

−7(3)+3=0

∴9k−21+3=0

∴9k=18

∴k=2

Answer 2

Answer:

2

Step-by-step explanation:

x =3 satisfy the eqn

so

9k -21 + 3 = 0

k = 2