Question

Achar os zeros da função
a)y=2x-84
b)y=5x-250
c)y=-2x-180
d)y=-7x+47 

URGENTE PLS​

Answer 1

Resposta:

A) y = 2x - 84

0 = 2x - 84

- 2x = - 84 .(-1)

2x = 84

x = 84/2

X = 42

B) y = 5x - 250

0 = 5x - 250

- 5x = - 250 .(-1)

5x = 250

x = 250/5

X = 50

C) y = - 2x - 180

0 = - 2x - 180

2x = - 180

x = - 180/2

X = - 90

D) y = - 7x + 47

0 = - 7x + 47

7x = 47

X = 47/7

Explicação passo-a-passo:

:D