Question

determine a raiz ou zeros das seguintes funcoes:
a) y=1/2+2x

b) 5-24x+9

Answer 1

a)
$\frac{1}{2}+2x=0 \\ \\ 1+4x=0 \\ \\ 4x=-1 \\ \\ \boxed{x=-\frac{1}{4}}$

b)
$5-24x+9 \\ \\ -24x=9-5 \\ \\ -24x=4 \\ \\ x=-\frac{4}{24}\\ \\ \boxed{x=-\frac{1}{6}}$