Question

Qual e a respotas das perguntas a cima?por favor glr

Answer 1

A)

$3 x - 4y = 3 \times 1 - 4 \times 5 = 3 - 20 = - 17$

B)

$3x - 4y = 3 \times 0 - 4 \times 2 = 0 - 8 = -8$

C)

$3x- 4y = 3 \times 3 - 4 \times 0 = 9 - 0 = 9$

D)

$3x - 4y = 3 \times 1 - 4 \times 1 = 3 - 4 = - 1$

Espero ter ajudado!