What value of c makes x2 + 6x + c a perfect square trinomial?
3
6
9
12

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What is the measure of angle x? answer

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.