Question

Which equation shows y= −1/2x + 4 in standard form?

a. 2x - y = 8
b. x + 2y = 8
c. x+ 2y = -8
d. 2x + y = 8

Answer 1

y = -(1/2)x + 4

y + (1/2)x =4

(1/2)x + y = 4

Multiply both sides by 2

2*(1/2)x + 2*y = 2*4

x + 2y = 8

Option B.