Margo is repaying a loan from her parents. she has already paid $315 and still owes them $1245. Write an equation to find the original amount a of the loan.

y=mx+

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb