Question

Which of the following points is a solution of the system shown?

x + y ≥ 6
x ≥ 4


(-1, 7)
(4, -2)
(4, 2)

Answer 1

do i just plug in the given points ?

Answer 2

You can just substitute things, if you like. Given the hopeful solutions are numbered only three, it shouldn't take too long.

Answer 3

thanks

Answer 4

so c ??

Answer 5

Wall, let's see.

The first can be discarded because x < 4

The second can be discarded because y moved the wrong direction.

Have to agree. #3 is the winner.