Question

Find the zeroes of the qudratic polynomial x2-2x-8 and verify the relation ship between the zeroes and its coefficients

Answer 1

x^2-2x-8

x^2-4x+2x-8

X(x-4) 2(x-4)

(X+2) (x-4)

so X are -2,4

relationship between them is

sum of zeroes = -b/a

-2+4 = 2/1

2=2

&

product of zeroes =c/a

-2×4 = -8/1

-8 = -8

HENCE

PROVED