Which equation has the same graph as 4x + 8y = 12?
a. X+ y = 3
b. 2x + y = 3
C. x + 2y = 3
d. 2x + 2y = 6
Letter answer only pls

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.

Me i’m stuck on all these questions besides the two bottom ones

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?