Question

Is each ordered pair a slotuion of the given system? write yes or no.
1. y=6x+12
2x-y=4
(-4,-12)______

Answer 1

Is 2*(-4) -(-12) = 4?
yes

Is -12 = 6*(-4) + 12 ?
yes

Both equations are satisfied.

(-4,-12) is a solution