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Mathematics 21 Online
RhondaSommer (rhondasommer):

For each problem: a. State which student’s response is correct. b. Find, clearly identify, and correct the misconceptions in the incorrect student’s response. c. Write 2-3 sentences describing the incorrect student’s mistakes and how it should be corrected. For #2 ... Arjun is correct. Gilda made the mistake in her actual answer. \[logs+(log7)^{\frac{1}{2}}-logt^2 \]

RhondaSommer (rhondasommer):

|dw:1478757312815:dw|

HanAkoSolo (jamierox4ev3r):

Well according to log rules, an exponent can go right before the logarithm. So Arjun was definitely correct,

HanAkoSolo (jamierox4ev3r):

logb(x y) = y ∙ logb(x)\[\log_{b} (x^y) = y \times \log_{b} (x)\]

HanAkoSolo (jamierox4ev3r):

oh and also, the two equations are the same thing. The bottom one just looks better

HanAkoSolo (jamierox4ev3r):

So it seems as if Gilda forgot about the Logarithm power rule. Does that make sense? @RhondaSommer

RhondaSommer (rhondasommer):

yes! It does make sense. :) @Jamierox4ev3r

RhondaSommer (rhondasommer):

what about no.2?

RhondaSommer (rhondasommer):

@3mar

OpenStudy (3mar):

Well, I am here.

RhondaSommer (rhondasommer):

thank you

OpenStudy (3mar):

How could I help you? @Jamierox4ev3r did it well as it could be!

OpenStudy (3mar):

You are welcome, sister!

RhondaSommer (rhondasommer):

i need help on the second one :)

OpenStudy (3mar):

which is?

RhondaSommer (rhondasommer):

number 3....

OpenStudy (3mar):

Can you send me a pic or something? Is that what you want? |dw:1478800583134:dw|

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