Which relation is a direct variation that contains the ordered pair (2, 7)?
y = 4x – 1
y=7/x
y=2/7x
y=7/2x

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

How do you do the foil method with polynomials?