What is the approximate area of a circle shown below

Aportion of a line bounded by two points is defined as

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

Is the point (0, 8) on the x-axis or y-axis? how do you know?