Question

Ifa. B are zeroes of quadratic polynomial 2x2 + 5x + k, find the value of k such that (a+b)-aß = 24

Answer 1

Step-by-step explanation:

2x²+5x+k=0

a+b=-b/a=-5/2

a×b=c/a=k/2

(a+b)-ab=24

-5/2-k/2=24

-5-k/2=24

-5-k=48

-5-48=k

k=-53