B bubb Member Joined Oct 3, 2014 Messages 31 Gender Female HSC 2013 Feb 4, 2015 #1 how to solve for x? log2x(216) = x 2x is the base
F FrankXie Active Member Joined Oct 17, 2014 Messages 330 Location Parramatta, NSW Gender Male HSC N/A Uni Grad 2004 Feb 4, 2015 #2 You must factorise the number 216. No better way because the variable appears on both the base and the index. 216=6*6*6=6^3=(2*3)^3. so x=3
You must factorise the number 216. No better way because the variable appears on both the base and the index. 216=6*6*6=6^3=(2*3)^3. so x=3
Squar3root realest nigga Joined Jun 10, 2012 Messages 4,927 Location ya mum gay Gender Male HSC 2025 Uni Grad 2024 Feb 4, 2015 #3 I got x = 3
S si2136 Well-Known Member Joined Jul 19, 2014 Messages 1,370 Gender Undisclosed HSC N/A Feb 11, 2015 #4 It would've been better if the question was written better. The answer is x=3 though. log2x(216) = x --> log2x(6^3) = x
It would've been better if the question was written better. The answer is x=3 though. log2x(216) = x --> log2x(6^3) = x