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NationalTutoringObservatory
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MathEd-PII

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volunteer
That should be right.
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student
but there's a missing 108
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student
Wait, what am I gonna wanna wait.
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volunteer
Do you have a graphing calculator?
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student
I unfortunately do not. I just have the regular caso the, the 9 ADS, the FX 9 ADS. I don't.
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volunteer
Uh, if you're doing, if you're doing AP calculus, are you doing AP calculus? Is that what you said?
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student
Yeah, I'm doing APL.
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volunteer
Well then you probably need the uh graphing calculator, don't you?
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student
We, we just, we actually just
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student
started and
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student
I'm not really started, but this is my first time and like I actually did have a graphing calculator, but
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student
I left it at school and I only have my backup calculator with me, the SCO one. But yeah, I will make, I will get my other girl. I'll get my other graphing calculators, so we can check for this. In the meantime, since there is online graphing calculators.
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student
Sarah, yeah, there's a that was all my calculator. Let's see, let's see what we can do with this.
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[ { "pii_type": "PERSON", "surrogate": "Sarah", "start": 0, "end": 5 } ]
volunteer
Yeah, online graphing calculator. Good idea, good idea. Very good idea.
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student
For X-rays at 53.
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volunteer
Because I'm
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student
94 and then they X-ray the power of 2.
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student
and there we get a negative, oh my God.
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student
OK.
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student
see
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volunteer
I'm just, so when I plug into my calculator, I'm just not getting. My my uh
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student
Oh, that's so cool. I'm right. It reached out.
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student
It's 30
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student
3
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student
I wait
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student
wait
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student
I mean is the right formula or my speaking. Oh my God, you use 0, you use the wrong, uh no, you use the wrong formula for the graph. It's not 82, it's 182.
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volunteer
Oh, it's 182.
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student
Ah,
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volunteer
Oops
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student
Ah, it's, it's like a house shape
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student
I
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student
from using things that you might understand.
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volunteer
OK, it's 182. OK, that, that's probably that's why my numbers were wrong, right. So change my pic
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student
Also think
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volunteer
Everything else about the graph is right except the coefficient.
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volunteer
So if you put in 4 X.
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student
yeah, it's one, it's that so
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student
cool.
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student
It was very 2.24 181, which is really, oh wait, what did I, what did I write? Wait, I made a mistake, but this is somethingsomethingmething, so which means that I was really close, so at least we can round up the 1 to the 0 and we.
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volunteer
Well, remember, remember, you didn't have the, their, the actual 0 is like 2.254.
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student
huh
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volunteer
So
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student
2.254. 0 yeah, it is, it is.
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volunteer
yeah, yeah, you gotta go back to the quadratic. It wasn't exactly 2.5.
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volunteer
2. It was, it was 2.254, not 2.25, you know, it was a.
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student
Yeah, I'm sorry. Yeah, but at least the difference is that
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student
oh, yeah, it that doesn't excuse it. 2, but like
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student
it still is this
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student
actually
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student
I was mistaken. 180
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student
181, 2.25
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student
2.
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student
the decimals actually had
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student
2.245. It's reversed like, let me check. OK.
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volunteer
I
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volunteer
uh.
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student
108.
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volunteer
Oh
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student
what this my nose? what?.
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student
don't, don't know the area. I know
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student
so he always 24.
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student
So, uh, 2.2. 0, we rigged it wrong. Oh my god, they did it wrong.
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volunteer
No, we didn't
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student
Oh.
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volunteer
I think
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student
I'm so blind.
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volunteer
I think uh you got pretty good answer. What's, what's the problem?
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student
OK, we actually did it, oh my god, we did
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student
it, OK, I'm free. Thank you.
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student
Thank you
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volunteer
Yeah, you got the right answer. That's right. The only thing, if you look at my my picture, um,
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student
Yeah.
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volunteer
it should not be 82. See, I was trying to plug into my
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volunteer
equation that was wrong. It Pre-Calculus. I didn't, I didn't copy the one, OK, because I can't really everything's, I can't really see stuff. It's hard to see.
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student
Mm
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volunteer
But you got all the, you, you understand what we did there.
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student
Yeah. Oh my God. I hope I can favorite you as a teacher so that we have more probabilities of meeting again cause this is our final project, but we still hadn't had our finals yet and basically what we've covered is basically long division of polynomials for like calculus itself.
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student
for long division of polynomials. We had synthetic and then uh going closer to the graphing of the actual graph itself was actually like
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student
uh
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student
uh finding all rational routes, finding rational routes and the kind of the rational root theorem and then the last thing we did was graphing, which correlates to our final project, but actually the thing is our teacher never actually thought us about derivatives until our final project, so, uh, I just saw it on a vide...
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student
They never actually thought us after to they never taught us face to face cause
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student
it
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student
Yeah.
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volunteer
Uh, so you never, you never learned the product rule. Yeah, you need to learn, you need to, in order to take derivatives, there's a whole bunch of rules you gotta learn, so
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student
Oh
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student
she
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volunteer
But anyway, let me just remind, yeah, so I just gave you, that was a simplest derivative rule was the one I gave you. The, that was called the Power world.
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student
Oh, yeah, that's easier.
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student
Yes.
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student
Very good. OK.
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volunteer
Now, so what did we find out? What, what, what, uh, if you wanna maximize the volume in the box.
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volunteer
What do you
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student
What? OK, you wanna maximize the volume in the box.
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volunteer
have
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student
Where do you find it? We, we, we, I thought we
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student
saw it
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volunteer
We did, we did, we did. I just want to know what value of X and what value of X does the box volume get maximized?
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student
Why is it turning? Wait, let me
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student
the grass
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