Answer:
xy = -1 and y = -1/x are the same.
They are not linear equations because they are not written in the form
Ax + By = C.
Answer:

Step-by-step explanation:
From the question we are told that:
Data

Generally the equation for Point estimate
is mathematically given by




(not sure if this is right just trying to help) 7(3x+7y)
Answer:
for an equal income to everyone you can do 250 to each person adding up to 750 then 250 to save
Step-by-step explanation:
Answer:
(--6,-1)
Step-by-step explanation:
Right 4 units, to go back, left 4 units
Up 3 units, to go back, down 3 unites
Left : -2 - 4 = -6
Down : 2 - 3 = -1