2)Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients iv) 4u^2+8u
Solution:
Polynomial:
4u² + 8u
Factorising:
4u(u + 2) = 0
Zeroes:
u = 0 and u = −2
Verification:
Sum = −2 = −b/a
Product = 0 = c/a
Verified.