Question

-1/2 is a zero of (2y^2+5y-3)​

Answer 1

HERE IS YOUR ANSWER:-
$2{( - \frac{1}{2} ) }^{2} + 5( - \frac{1}{2} ) - 3$
$2( \frac{1}{4} ) - \frac{5}{2} - 3$
$\frac{1}{2} - \frac{5}{2} - 3$
$\frac{1 - 5 - 6}{2}$
$- \frac{10}{2}$
$- 5$
HOPE THIS HELPS U...