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MarcLeclairBest ResponseYou've already chosen the best response.1
Do you know your basic logarithmic rules?
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
Alright well for the first one I would do Ln(1/2) ^x = ln15 then you can bring the exponent in front therefore giving you xln(1/2) = ln 15. Then you get x= ln (15) / ln(1/2)
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
for the second you have the rule of Log(a)b= c is the same as a^c = b
 one year ago

coolaiddBest ResponseYou've already chosen the best response.1
ok..so how do i solve 2?
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
you have a ruole saying a√x = √b . Both a and b are constant. Therefore in this case you would have x =729 ending up as ( because what you do on the left you ahve to do on the right) 3 √x^3 =3√729 You should have a button on your calculator labelled as x√
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
err sorry I meant the rule is a√x^a = a√b
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
where the a's in : a√x^a cancel out. ( same as a square root and a square)
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
Do you understand or I made it too complicated?
 one year ago

coolaiddBest ResponseYou've already chosen the best response.1
kind of complicated..
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
alright I'll try to water it down. You know sqrt(x) = (x)^1/2 right? You have probably learned in algebra sqrt(x^2) ends up as X only because the sqrt cancels out with the square (^2) THEREFORE if you have x^3 = 729, you don't have an answer you WANT X= ? Therefore, you have to CANCEL OUT the ^3 somehow. The only way, like how you cancel a ^2 is by SQUARE ROOTING THE EXPRESSION so you end up with 3(sqrt)(x^3) = (x^3)^(1/3). By the rule of exponent, you multiplied the 2 of the ( 3*1/3) = 3/3 = 1 GIVING YOU X WHAT YOU DO ON THE LEFT YOU DO TO THE RIGHT THEREFORE (729)^(1/3) OR 3(sqrt)(729) the answer should be 9
 one year ago

MarcLeclairBest ResponseYou've already chosen the best response.1
I'm sorry if I made this too complicated, I just tried to explain the concept to it
 one year ago

coolaiddBest ResponseYou've already chosen the best response.1
perfectly fine..thank you Marc!
 one year ago
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