Question

Which shows solutions to x + 4y = 9 if x and y must be whole numbers.

A.
{(2, 1), (1, 6), (0, 9)}

B.
{(0, 9), (1, 4), (2, 1)}

C.
{(0, 9), (1, 5), (2, 1)}

D.
{(1, 2), (5, 1), (9,0)}

Answer 1

I think it's D.

Answer 2

It is D because you fill in for x and y. 1+4(2)=9 is corrext

Answer 3

Thanks!