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NationalTutoringObservatory
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MathEd-PII

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volunteer
you got it!
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student
how would I do that with letters
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volunteer
Great question! I would recommend moving all of the terms with the letter you want to solve for (m) in this case to one side
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student
so add rn to mj?
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student
rm*
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volunteer
it would be subtract but right idea!
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student
would it be r m^2 j?
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volunteer
not quite
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volunteer
let me write it out and see if that makes it clearer
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volunteer
what can I factor out of the left side?
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student
m
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volunteer
Yes!
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volunteer
So now we have m times what on the left side?
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student
uh j-r?
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volunteer
on the left
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volunteer
those are the correct letters but it will be plus or minus
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volunteer
so which one?
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student
minus?
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volunteer
Yep!
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volunteer
Now we need to get rid of that (j-r) term so m is by itself
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volunteer
Any ideas? Hint: what do we do to cancel out multiplication?
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volunteer
Another hint -> try treating that term as just a number like 5
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volunteer
What would we do to get rid of it?
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student
Hello!
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volunteer
Hello :) are you in need of any help?
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student
yes one problem in my pre-calc work! i'll post it on the screen
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volunteer
Ok :) I should be able to help
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student
thank you!
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volunteer
Ok I see it :)
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volunteer
So what are you looking for help with?
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student
I want to solve a first, and then double check for me if that works because this is my first time learning the topic 1.4 on precalc
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volunteer
Ok no problem :) ill wait for you
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student
wait oops lemme erase that
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student
is this correct?
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volunteer
I would have a look at salute minimum again
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volunteer
Absalute*
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volunteer
I can’t spell
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volunteer
But, could you tell me what an absolute minimum is?
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student
wait your right lemme fix it, its the lowest point.
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volunteer
Good! No problem :)
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student
is it that?
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volunteer
Yes that looks a lot better :)
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student
alr lemme place that in
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volunteer
Now you gotta identify the rest of the max and min values :)
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student
alr imma try that out
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student
is it that?
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volunteer
is there a realitive maximum all the way from -3 to 0? and 3 to 5?
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volunteer
oh sorry minimum
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volunteer
can you tell me what a realitive minimum is?
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student
a relative minimum where the graph switches from decreasing to increasing
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volunteer
good, that's good, however typically it isnt an interval, and ehre it isnt
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volunteer
a realitive minimum means that it just has to be the lowest point compared to what is next to it
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volunteer
so how many minimums does this graph have to you?
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student
is there two?
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volunteer
good :)
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volunteer
and now it's asking at what X coordinate they are at
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volunteer
so where would they be located?
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student
-3 and 3
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volunteer
good :) and that's what you would put there :)
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volunteer
and now we can look at relative maximums
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volunteer
how many maximums do you see?
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student
One?
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volunteer
can you tell me what a maximum is?
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student
highest point of a function
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student
so theres two?
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volunteer
good, and then realative maximum is highest to all of the realitive points, correct?
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volunteer
meaning the ones around it'sself
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volunteer
right/
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volunteer
?*
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student
so its the one in blue i circled ?
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volunteer
close, you have 2, but i think i see 3
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volunteer
what else is highest compared to the points around it?
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student
right there?
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volunteer
not quite, because the function continues above it
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volunteer
but what if we look at x=0?
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student
was js abt to say
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volunteer
you see how it's the highest point compared to everything around it?
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student
so -4, 0, and 5
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volunteer
good ! that is what i got :)
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volunteer
do you understand why that is then?
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student
yep that makes so much sense!
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volunteer
good :)
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student
thank you so much!
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volunteer
no problem!
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student
alr have a great day!:)
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volunteer
you as well!
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volunteer
Hi Chloe
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[ { "pii_type": "PERSON", "surrogate": "Chloe", "start": 3, "end": 8 } ]
student
Hello! I will explain in one moment! I'm going to attach an image.
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volunteer
Ok.
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volunteer
I see what you uploaded.
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student
Okay, so I need help solving this question. This is a question in ADV but that subject wasn't available on Tutor Provider, so I chose statistics. To give a tiny backstory, my classmates and I were given an overnight to solve this question, but I still don't have an answer. Today, she will put us in groups, to answer th...
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volunteer
What does "ADV" stand for?
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student
ADV
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student
Or aqr math class
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volunteer
Did you learn how to solve "simultaneous equations" ?
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student
Umm, can you give an example?
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volunteer
For example: x+2y+z=0, 3x-5y-z=2, 3+6y+7z=-9
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student
Uh, I recognize the equations but I don't think my teachers have labeled them as "simultaneous equations" just yet
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student
I'll just say no
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volunteer
OK. Can you give me 10 minutes to see if I can solve? And then I'll explain.
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