Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
2x + y = 4
- 2x +y = -6

(-5,-28)

i graphed to on desmos.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

the answer is y = 11.54

hope this : )