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iwanttogotostanford
 one year ago
HELP W/ ACT PREP QUESTION: Which of the following equations expresses c in terms of a for all real numbers, a, b, and c such that a^3=b and b^2=c?
1.) c=a^6
2.) c= a^5
3.) c=2a^3
4.) c=1/2 a
5.) c= a
iwanttogotostanford
 one year ago
HELP W/ ACT PREP QUESTION: Which of the following equations expresses c in terms of a for all real numbers, a, b, and c such that a^3=b and b^2=c? 1.) c=a^6 2.) c= a^5 3.) c=2a^3 4.) c=1/2 a 5.) c= a

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iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0@Vocaloid @zepdrix @pooja195

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2replace b with a^3 b^2 = c (b)^2 = c (a^3)^2 = c I'll let you finish up

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0@jim_thompson5910 im not sure how to finish! Also, what was your reassigning in knowing how to do that??

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2I replaced b with a^3 because the first equation is a^3 = b or b = a^3 a^3 is the same as b, which is why the replacement can be done

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2you'll use \[\LARGE (x^a)^b = x^{a*b}\]

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2eg: \[\LARGE (x^8)^5=x^{8*5}=x^{40}\]

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0is that ALg. 2??

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2yeah you'd most likely learn that in alg 2

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2maybe alg 1, it depends on the teacher

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0so it would be choice number 1?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0@jim_thompson5910
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