Question

Verify if 1/2 and -3/2 are zeroes of polynomial 8x^3-4x^2-18x+9.If yes then factorise the polynomial.

Answer 1

Answer:

$p( \frac{1}{2} ) = 8( \frac{1}{2} ) {}^{3} - 4( \frac{1}{2}) {}^{2} - 18( \frac{1}{2}) + 9 \\ = 1 - 1 - 9 + 9 \\ \\ = > 0$