Question

If the sum of the zeroes of the quadratic polynomial 5x2 - px + 8 is 4, then the value of p is: (A) 10 (B) 20 (C) 30 (D) 40​

Answer 1

Answer:

option B IS CORRECT

Step-by-step explanation:

$5 {x}^{2} - px + 8 = 0 \\ \\ \frac{ - ( - p)}{5} = 4 \\ \\ p = 20.$