Here is a number machine input
x5
-2
>output
(a) Work out the output when the input is 8
(1)
(b) Work out the input when the output is 28

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.