Question

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

Answer 1

5x+2=0
5x=-2
x=-2/5
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-2x=0
2x=0
x=0/2
x=0
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(x/2)+4=0
x/2=-4
x=-4.2
x=-8