Hey, using y2-y1/x2-x1 you know that slope has to be -1/4
Anything from 650,000 to 749,999 because they would all round to the nearest hundred thousand to 700,000
First find numbers that the denominator and the numerator can both be divided with. Such as 3, now 6/3=2 and 9/3=3. So basically it is 2/3. 6/9 simplify to 2/3.
