A square of side length has area .
(a) By what factor does the area change if the side length is doubled?
?
one fourth
one third
one half
stays the same
doubles
triples
quadruples
(b) By what factor does the area change if the side length is halved?
?
one fourth
one third
one half
stays the same
doubles
triples
quadruples
In order to get credit for this problem all answers must be correct.