Question

calcule os zeros das funções:
a)y=3x+9
b)y=2x+1
c)y=5x+15

Answer 1

a) 3x+9=0
3x= -9
x= -9/3

x= -3


b) 2x+1=0
2x= -1
x= -1/2

c) 5x+15=0
5x = -15
x= -15/5

x= -3