Help me out here please

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Which letters from the table represent like terms? a and b b and c a and d b and d

If y varies directly as x2 and y=6 when x=6, find the constant of variation.