Question

8. The quadratic equation whose roots are 1 and
(a) 2x² + x – 1 = 0
(b) 2x² – x – 1 = 0
(c) 2x² + x + 1 = 0
(d) 2x² – x + 1 = 0

Answer 1

Answer:

B is correct

another root is -1/2

Answer 2

Answer:

B is correct

(b) 2x² – x – 1 = 0