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8
volunteer
first ill get the slope of the other and flip it and - it
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volunteer
oh wait ,...we are doing the two //
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volunteer
i was looking at 48, duh
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student
ok
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volunteer
ok, so we gotta make them equal
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student
ok
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volunteer
if you solve for y,www.mathsolver.com get y = 0
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[ { "pii_type": "URL", "surrogate": "www.mathsolver.com", "start": 19, "end": 37 } ]
volunteer
see?
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student
yes
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volunteer
just did the algebra to get y=0
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student
i thought y was 8
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volunteer
tricky lil question
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student
im confused
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volunteer
how I got zero?
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student
yea
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student
and how you got 3/2
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volunteer
made y=0
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volunteer
0+3/2
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student
ohhh
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volunteer
and 0 +6/4 = 6/4
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volunteer
i didnt see it till i solved for y though
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volunteer
need me to show you that?
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student
but i also got 8
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student
is the answer 3/2 or 8
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volunteer
3/2
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volunteer
ill do it on board
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volunteer
cross multiply
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student
`ok
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student
oh
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student
so 2(y+6)
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student
ohhhhhhhhhhhhhhhhhh
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student
i get it now
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student
and then u plug 0 back in right
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volunteer
yup
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student
and also
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student
how did you get y--3/3-1
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student
and y--6/9-5
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volunteer
the slope form of the lines
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volunteer
y2-y1/x2-x1
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volunteer
==slope
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student
ohhh i see
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volunteer
we ok?
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student
so its 4,3/2 right
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volunteer
y=0
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student
4,0
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volunteer
they want the value of y
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student
then what do we do with 3/2
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student
and in the other equation -8
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volunteer
just the two slopes have to be equal to be parallel
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volunteer
if y is zero, we get equal slopes
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student
ok
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student
so y is 0
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volunteer
yup
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student
ok and thats the final answer
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volunteer
yes, you sound like the guy on "Who wants to be a millionaire"
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student
HA
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student
HA
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student
HA
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student
HA
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volunteer
what else,...we got
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student
49
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student
53
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student
and 54
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student
ill post 53 and 54 after 49
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volunteer
we just did 49
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volunteer
k
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student
we did?
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student
i thought we did 47 just now
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student
im so confused
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volunteer
we did 47 above
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volunteer
you found it y to be -8
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student
oh
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student
and 49 is 0 right
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volunteer
hey Im supposed to be the old one losing memory
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volunteer
yup
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student
im just tired
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student
lol
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volunteer
i gotta go soon
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student
bro i overslepped and skipped 25 mins of class today (biology)
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student
anyways
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student
we are almost done
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student
I think Mr. David is right
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[ { "pii_type": "PERSON", "surrogate": "Mr. David", "start": 8, "end": 17 } ]
student
becaue he did y2-y1/x2-x1
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student
and Ms. Green did y2-y1/x2-<US_DRIVER_LICENSE>
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[ { "pii_type": "PERSON", "surrogate": "Ms. Green", "start": 4, "end": 13 } ]
student
which is wrong
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student
riht
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student
right*
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volunteer
yea
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student
yay
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student
and last one
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student
i can do 54a with a grphing calculator
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student
one sec
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volunteer
coordinates of B and D
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volunteer
I have it on board
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student
(2,4) is b
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student
(10,-4) is d
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student
right
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volunteer
horizontal line has slope of zero
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volunteer
vertical lines have undefined slope cuz we cant divide by zero
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volunteer
are we good?
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