Verify whether the following are True or False:
$-3$ is a zero of $y^{2}+y-6.$
Verify whether the following are True or False:
$-3$ is a zero of $y^{2}+y-6.$
A zero of a polynomial $p ( x )$ is a number $c$ such that $p ( c )=0$
Let $p(y)=y^{2}+y-6$
$\therefore$ $p(-3)=(-3)^{2}+(-3)-6=9-3-6=0$
Hence, $-3$ is a zero of the polynomial $y^{2}+y-6$
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