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NationalTutoringObservatory
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MathEd-PII

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volunteer
ok so for number 2
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volunteer
3 is our x-one and 8 is our y-one. -1 is our x-two and -4 is our y-two
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volunteer
so you would do
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volunteer
-4 - 8 / -1 - 3
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volunteer
to get -12/-4
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volunteer
and when you simplify it you get 3
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volunteer
so the answer for number 2 is 3
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student
how do u get 3 from -12/-4
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volunteer
-12 divided by -4 equals positive 3
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volunteer
negative and negative equals positive
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student
okay
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volunteer
should we move onto number 3?
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student
yes
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volunteer
ok then for number 3
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volunteer
5.4 is x-one and 2.9 is y-one. 3.7 is x-two and 4.1 is y-two
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volunteer
so you would do
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volunteer
4.1 - 2.9 / 3.7 - 5.4
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volunteer
to get 1.2/-1.7
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student
any simplifying?
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volunteer
probably mot
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student
okay
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student
number 4
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volunteer
ok then
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volunteer
for this one
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volunteer
2b is x-one and 2c is y-one
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volunteer
b is x-two and c is y-two
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volunteer
so we do c - 2c / b - 2b
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volunteer
to get -1c / -1b
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volunteer
then simplified it would be
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volunteer
c/b
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volunteer
because the -1 cancel out
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student
okay i understand
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student
number 5
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volunteer
ok then
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volunteer
5 is x-one and 5 - t is y-one
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volunteer
3 - t is x-two and 4 - t is y-two
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volunteer
4 - t - 5 - t / 3 - t - 5
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volunteer
which becomes -1 - 2t / -2 - t
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volunteer
which simplifies
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volunteer
to
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volunteer
1 + 2t / 2 + t
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volunteer
because the negatives cancel out
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student
that one is confusing
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volunteer
yea it has a bunch of variables but it is about the same
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student
yea
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volunteer
number 6 then?
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student
yes
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volunteer
5 is x-one and 7 is y-one
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volunteer
17 is x-two and 7 is y-two
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volunteer
7 - 7 / 17 - 5
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volunteer
which is
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volunteer
0 / 12
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volunteer
and if you divide anything by 0 it is 0
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volunteer
so for this one simplified
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volunteer
is 0
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student
okay
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volunteer
ok
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student
7
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volunteer
ok then
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volunteer
6 is x-one and 0 is y-one
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volunteer
15 is x-two is and y is y-two
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volunteer
so you do y - 0 / 15 - 6
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volunteer
= 2/3
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student
how is y-0= 2?
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volunteer
we are solving for y
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volunteer
so you have the equation of y - 0 = 2
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volunteer
y = 2
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volunteer
once done solving
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volunteer
so the answer for 7 is y = 2
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volunteer
nvm
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volunteer
y = 2 is the beginning
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volunteer
since we know that 15 - 6 = 9
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volunteer
and 9 divided by 3 is 3
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volunteer
we need to multiply the 2 by 3
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volunteer
to get 6/9
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volunteer
so y = 6
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student
im confused im sorry can u write the equation on the assignment i sent u
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student
Hi
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volunteer
Hello. Hi, Michael
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[ { "pii_type": "PERSON", "surrogate": "Michael", "start": 11, "end": 18 } ]
student
I
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student
Well, not on the face. Hello.
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student
Hi
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volunteer
OK
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volunteer
Good. Uh, do you have a, a certain question for us to do here today?
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student
Uh, yeah, I do have a question.
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volunteer
Yeah, go ahead, Michael. I'm listening to your question.
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[ { "pii_type": "PERSON", "surrogate": "Michael", "start": 16, "end": 23 } ]
student
So it's like a problem about um applying properties and like uh uh additive inverses.
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volunteer
Excuse me, I was just unmuting the mic. So can you just let me hear that again, please? Run me run it by me again. Thanks.
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student
So, uh, I have a question about like applying property stuff.
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volunteer
Mhm
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volunteer
OK, good
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student
and uh
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volunteer
Can you write down your question, please.
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student
yeah. OK.
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volunteer
Yeah, and what happened to the question? Mhm.
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student
Yeah, so I have to figure out the reason why you have to uh use uh why I have these additive inverse before we like properties.
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volunteer
Yeah, yeah, that's good. And have you got a question that you've been given to answer with you now?
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student
Yes.
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volunteer
Oh, lovely. Good. Can you, um, maybe put it on the board for us? Is it, is it possible to put the the image up for us to see or copy and paste it into the chats, it's fine.
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student
Yes
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