Question

a
Q11. If a and B are the zeroes of the quadratic polynomial f(x) = 6x² + x - 2, the find the value of
B
+
[3 marks)

Answer 1

6x^2 + x - 2 = 0

6x^2 - 3x + 4x - 2 = 0

3x (2x - 1) + 2 (2x - 1) = 0

(3x + 2) (2x - 1) = 0

Either, 3x + 2 = 0, x = -2/3

Or, 2x - 1 = 0, x = 1/2

x= -2/3, 1/2