Question

determine os zeros das funções a seguir a) y=5x+2. b) y= -2x. c) f(x)=x+4

Answer 1

a)

y = 5x + 2

5x + 2 = 0
5x = -2
x = $\frac{-2}{5}$

b)

y = -2x

-2x = 0
x = $\frac{0}{-2}$
x = 0

c)

y = x + 4

x + 4 = 0
x = -4