does the point (3,0) line on the line y=3x

[math_celebrity]

does the point (3,0) line on the line y=3x

Substitute the x value of (x,y) = (3,0) into y = 3x:
y = 3(3)
y = 9

Since y = 9 and y <> 0, then no, this point does not lie on the line