Question

Determine os zeros (raízes) das funções a seguir: a) y=5x+2 b)y=-2x c) y=8x-2/4 d) y=x+3 e) y=-3x-9

Answer 1

$ Ola Fernanda

a) 5x + 2 = 0

5x = -2
x = -2/5

b) -2x = 0

x = 0

c) (8x - 2)/4 = 0

8x - 2 = 0 
8x = 2
x = 1/4

d) x + 3 = 0

x = - 3

e) -3x - 9 = 0

3x = -9 

x = -3

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