Question

if log3=x and log7=y, then log63 is......

Answer 1

Hint:

63 = 9*7 = 3^2*7

Answer 2

x^2y?

Answer 3

@jim_thompson5910

Answer 4

that allows us to say

\[\Large \log(63) = \log(3^2*7)\]

Answer 5

what can we do next?

Answer 6

well log3 ^2 is x sooooo x *x*y

Answer 7

@jim_thompson5910

Answer 8

do you know the log rules?

Answer 9

kind of......

Answer 10

review these rules
http://www.purplemath.com/modules/logrules.htm

Answer 11

hopefully they seem familiar

Answer 12

2x+y?

Answer 13

very good

Answer 14

so thats the answer ?

Answer 15

yeah

Answer 16

ok thank you so much!!!!

Answer 17

np