Question

If 4 is the root of the quadratie equation 3x² + px -8=0. Find the
value of p​

Answer 1

Answer:

-10

Step-by-step explanation:

since 4 is the root of the equation 3x^2+px-8=0

then put x=4 in the equation

3×4^2+p×4-8=0

=>48+4p-8=0

=>4p= -40

=>p= -10