Question

The length of a cube is increased by a factor of 3. By what factor does the surface area of the cube increase by?

Answer 1

@xapproachesinfinity

Answer 2

dunno the answer dude haha

Answer 3

:( does anyone know how to do this?

Answer 4

v = x^3
V = (3x)^3

Answer 5

how much bigger is V?

Answer 6

V=27x^3?

Answer 7

oh wait you asked for surface area, not volume lol sorry.

Answer 8

so 27 then?

Answer 9

Same concept though. A cube has 6 sides.
a = 6(x^2)

Answer 10

what am i thinking, it's 9

Answer 11

so 6 then?

Answer 12

why 9? a cube has 6 sides

Answer 13

instead of squaring x, square 3x.

Answer 14

ok, so 3x^2=3x^2? so 3x^2 then?

Answer 15

Okay, since a cube has 6 sides, and the area of each side is x^2:
a = x^2 + x^2 + x^2 + x^2 + x^2 + x^2

Answer 16

what is x

Answer 17

x is the side

Answer 18

oh okay

Answer 19

so a=6x^2 but surface area of a square is x^2 so it's 6 isn't it

Answer 20

haha, this is entertaining somehow!

Answer 21

@xapproachesinfinity after the fourth time you lose faith in humanity

Answer 22

anyways I ran out of time so I just left it blank. Apparently the answer was 9.

Answer 23

thanks for helping though @bahrom7893

Answer 24

well bahrom was right?!

Answer 25

shouldn't it be 6 though?

Answer 26

yes if you want it to be! if you make your rule haha

Answer 27

?? math is never my rule

Answer 28

Why do you lose hope for humanity just because people couldn't/didn't answer your vague math problem

Answer 29

i said that if you make your rule that will be correct!
if you are following someone else's rule you have to abide haha

Answer 30

I guess @xapproachesinfinity ... too bad the rules are already made

Answer 31

ps:the answer is 3 actually

Answer 32

well that's true

Answer 33

Kitten