Question

determine o zero de cada função. a) y=-x+3 b) y=2x-4 c) y=-2-2x d) y=x-6 e) y=2x+10

Answer 1

a) x + 3 = 0

x = -3

b) 2x - 4 = 0

2x = 4

x = 4/2 ou 2

c) 2 - 2x = 0

- 2x = 0 - 2

2x = 2

x = 2/2 ou 1

d) x - 6 = 0

x = 6

e) 2x + 10 = 0

2x = -10

x = - 10/2 ou x = -5