Question

which of the following are equal to the expression below ?
sqrt28/2
a. 14
b.sqrt 28/4
c.sqrt14
d.sqrt7 ? help please some one thank :)

Answer 1

sqrt28 = sqrt14*sqrt2
sqrt14*sqrt2/sqrt2 = sqrt14

Answer 2

c. and a ?

Answer 3

just c, sqrt14 is not equal to 14

Answer 4

Wait!

Answer 5

ok but it says check all that apply ? there has to be more than one answer ?

Answer 6

sorry, just noticed something, yeah, I messed that one up a bit. thought the 2 was also squarerooted. final answer is d, sqrt 7

Answer 7

sqrt28 = sqrt7*sqrt4 = sqrt7*2
sqrt7*2/2 = sqrt7

Answer 8

maybe b as well is it's written sqrt(28/4)

Answer 9

ok thank you