Determine which three out of the six points shown below are a solution to the equation 2, x, plus, y, equals, 1, .2x+y=1. Plot the three points that are in the solution set, draw a line through the three points and then answer the questions below.
left bracket, minus, 2, comma, 9, right bracket(−2,9), left bracket, minus, 2, comma, 5, right bracket(−2,5), left bracket, 5, comma, minus, 9, right bracket(5,−9), left bracket, minus, 3, comma, 7, right bracket(−3,7), left bracket, 7, comma, minus, 5, right bracket(7,−5), left bracket, minus, 4, comma, 1, right bracket(−4,1)