What is the geometric shape of a macaroon?

Pls i’m too dumb to know what i’m doing right now

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 representation has a constant of variation of -2.5