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8
student
very, but still, speaking of two decimals, OK, 2524. What we can do is that we can substitute this with the original formula with the formula, I'm gonna pull this up. The formula that we originally had uh for X-rays the part of 3.
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volunteer
Yeah
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student
minus 3
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student
4.
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volunteer
Yeah, you could, yeah, you can do that. Let me show you, let me look at their solution a little more cause we're getting caught up in a lot of numbers.
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student
Yes, we are.
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student
Uh.
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volunteer
And uh there's, there's easier ways to do this, and I just want to see what they've taught you. Can you um
12,175
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student
Yeah
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volunteer
can you bring this, can you pull this sheet over here so I could see it a little more.
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volunteer
Mm
12,175
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student
Oh, wait, where, where are you?
12,175
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student
Are you going you up again.
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volunteer
Up to the original problem.
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volunteer
um,
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student
Yeah
12,175
636
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student
I, I think I can move this.
12,175
637
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student
OK
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volunteer
can you move it, move it to the left cause I, so I can see it. I, I wanna see what they're
12,175
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student
OK, here. It's much enlarged right now.
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volunteer
OK, where did you put it? Down farther? I can't.
12,175
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student
Yeah, it's much bigger.
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volunteer
It's
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volunteer
mm
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student
You just subs substitution and then you just make the box of X and Y.
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volunteer
I don't, I don't see it. Let's see.
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student
because they can always, uh
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volunteer
I still don't, I don't see the second sheet.
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student
Oh
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volunteer
Can you just put it on top of the first sheet because I can
12,175
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volunteer
OK
12,175
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student
OK, OK. It's, oh my God, can you see it?
12,175
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student
I
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volunteer
OK, now I see it. I see it. That's good, that's good. 00, move it back to the, OK, I can kinda
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student
Yeah
12,175
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student
that
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student
s
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volunteer
yeah, move it left over the top of the other one, OK.
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student
and
12,175
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volunteer
All right, use the quadratic.
12,175
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volunteer
So they call it a turning point. Yeah, I would, I'd call it.
12,175
661
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volunteer
maximum. OK, that's fine.
12,175
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volunteer
Well.
12,175
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student
We solved the quadratic formula.
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volunteer
it's the box, the box is in the way now. OK.
12,175
665
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volunteer
That's OK. I, uh, no.
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student
but on the way. We, this is how she
12,175
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student
now.
12,175
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student
I'm in. Here, I think you can see it better. There is no solution blocking it.
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volunteer
I sure, I, I still can't, I can't see it. I wish I could. Can you move it this way?
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student
Yeah
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volunteer
Do that. Let me just look at it a little bit.
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student
Suitated. OK.
12,175
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student
I don't know how we do it myself. OK.
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student
the numbers.
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volunteer
Oh jeez
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student
down. Wait.
12,175
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student
what
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volunteer
Do you mind if we clear all the work we have now, we can just delete it or do you need to save this?
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student
And you say there's no. Oh wait, no, I, we still need to do the substitution and I need to do the drafting, but
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volunteer
OK, OK. Um
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volunteer
um
12,175
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student
like
12,175
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student
Yes, times
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volunteer
All right, all right. Well, I guess you can, you can plug these numbers into this equation and get V of X, but let's do a little, let's get a little graph going, huh?
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student
Yeah
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volunteer
Let's start. Let's get a little graph before you plug in these numbers.
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student
OK
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volunteer
Now let's go down to the bottom.
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student
Let, yeah, let's go down to the very bottom.
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student
here.
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student
of the grass
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volunteer
Let's go to the bottom of the page. I'm just gonna guess that they
12,175
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volunteer
um
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volunteer
I still need more. We're kind of running out of space. Do we have any more space?
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student
but we are. OK. Uh, I can, I think I can make the
12,175
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student
uh
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volunteer
Can you make a new page, or let's, let's
12,175
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student
No, it's, it's down. It's very down.
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volunteer
Yeah, pretty new
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student
Uh, you see, the thing that I'm drawing
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student
ah
12,175
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student
it's something
12,175
703
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student
Oh yeah, here.
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volunteer
Let's let's um delete all this stuff, man, let's try to erase this, maybe, maybe this is what we need to.
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volunteer
do
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student
Here.
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volunteer
Let's just erase this because this is just work. This is scrap work here.
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student
No, this is kind of like the solution that our teachers finding. We can do like the, the thing down. You can do the thing down long. It starts.
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volunteer
OK, can you check, can you take the page lower? I can't see. I can't work. I got no spot to work.
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student
Oh, is that
12,175
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student
you can scroll it down, it's quite slower actually here.
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volunteer
Mm, really
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student
Yeah, there's more, there's more space actually in the whiteboard if you, if you just scroll down.
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student
OK
12,175
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student
Yeah.
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volunteer
I tried to, what's this do? The 4 screen share, OK.
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student
I.
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volunteer
Go back. OK. What's this?
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student
If you, if you scroll down, there's infinitely more space.
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