Which of the following ordered pairs is a solution of x + y = 1: (-2, 6), (2, -6), (-2, -6)?
1 Answer
May 14, 2016
None of them.
Explanation:
For each of the pairs of coordinates we find:
#(-2, 6):color(white)(00)x + y = -2+6 = 4 != 1#
#(2, -6):color(white)(00)x + y = (2 + -6) = -4 != 1#
#(-2, -6):color(white)(0) x + y = -2 + (-6) = -8 != 1#
