Question

If one root of the quadratic equation
3x2 + px - 4 = o is 4,
find the value of p​

Answer 1

Answer:

p = 11

Step-by-step explanation:

p(x) = 3x²+px-4 = 0

As 4 is a root,

p(4) = 3×4²+4p-4 = 0

 0 = 3×16 +4p - 4

 0 = 48 + 4p - 4

 0 = 44 - 4p

-44 = -4p

  p = -44/-4

  p = 11

Hope it helps...

Thank you..

Answer 2

Step-by-step explanation:

p =11

this is the wright ans