Question

12x+3y=6

2,-4
It says without graphing, tell whether each point is on the graph of the given line.

Answer 1

For this all you have to do is plug in the x and y values into the equation and see if it is a true statement. If it's true then it's on the line. The x value is 2 and the y is -4.

12x + 3y = 6
12 (2) + 3 (-4) = 6
24 -12 = 6
12 = 6

The statement 12=6 is not a true statement so that point is not on the line.