Answer:
Step-by-step explanation:
Since a,b,c and d are integers,
bd, ad and cb are also integers because product of two integers is an integer
Also, ad + cb is an integer because sum of two integers is an integer.
(ad + cb)/bd is a rational number
a/b + c/d is a rational number
I first found the slope of the line graphed. So i took 2 points and found the slope. They were (2,0) and (0,-3). The slope was 3/2. I then flipped it and added a negative because your looking for the perpendicular line. That was -2/3.
I took the formula y1-y=m(x1-x) and put in -2/3 as m and y1 as 2 and x1 as -1. You plug those into the equation and solve for y.
I got B for the answer
Hope this helps!