Helpppp for medal and fan!!!!

Which shows solutions to x + 3y = 7 if x and y must be whole numbers.

{(0, 5), (1, 3), (2, 1)}
{(0, 5), (1, 4), (2, 1)}
{(2, 1), (1, 4), (0, 7)}
{(1, 2), (4, 1), (7, 0)}

Question

Helpppp for medal and fan!!!!



Which shows solutions to x + 3y = 7 if x and y must be whole numbers.

       {(0, 5), (1, 3), (2, 1)}
       {(0, 5), (1, 4), (2, 1)}
       {(2, 1), (1, 4), (0, 7)}
       {(1, 2), (4, 1), (7, 0)}

theedwardsfamily · Answer

C

danjs · Answer

For each (x,y), see if the equation holds. 

IE (x,y) = (0,5)

0 + 3*5 = 7     
      15 =  7      False, ,

You need the one where all 3 points make the thing true

anonymous · Answer

Thanks for the help @TheEdwardsFamily.

theedwardsfamily · Answer

yw