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volunteer
It means it's the y coordinate from the second ordered pair minus the y coordinate from the first ordered pair. I wrote each letter below its corresponding number.
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student
Ok please give me one sec to plug it to mak sure I understand
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volunteer
Ok
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student
oh you already did it.. Let me look at it and compare it to the graph
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student
would it become a positive?
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volunteer
Yes
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student
simplify?
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volunteer
-9 + 7 is -2
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student
would I still subtract? with the plus sign? lol
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student
The answer then would be -1
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volunteer
Yes, that is the simplified answer. You are adding 7 to -9 in the denominator, which is 2.
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student
ohhhhh
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student
i have to remember that
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student
getting points for line 2
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volunteer
Ok
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student
(3,6)(-3,-2)
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volunteer
Yes, you can use those
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student
k
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student
4?
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student
I did something wrong
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volunteer
-2 - 6 is -8
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volunteer
-3 - 3 is -6
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student
Help me with that part please
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student
im not subtracting
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volunteer
When you subtract, you move to the left on the number line
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volunteer
So 6 to the left of -2 is -8
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student
oh if im already negative 2 and i add a negative 6 it's negative 8
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volunteer
Yes, you can look at it as adding negative six or subtracting positive six
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student
but it say minus so i guess that confused me
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volunteer
You can subtract numbers from negative numbers, you're just starting to the left of zero and moving farther to the left of zero
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student
hmmm ok makes sense
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student
would the answer be 4/3 simplified
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volunteer
Yes
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student
yaayy!
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student
I do want to make sure I got the negative and positive part right.
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student
tyyy
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volunteer
Nice work. I like how you persevered through this problem.
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student
Tyyyy :) :) now I know how thanks to you!
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student
Can you give me an example that I can subtract to find the slope to make sure under stand the negative portion?
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student
well a problem not example
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volunteer
Do you have other practice problems you can use, or do you want me to give you one?
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student
Let me look in my classkick
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student
line 1- (4,-4)
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student
(4,-4)(1,-)
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student
(1,-1)
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student
can i use those? for line 1?
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volunteer
Hmm, be careful. Those aren't points on line 1 (green line). You can use (-4, 2) and (0, -1)
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student
ohhh.. -4,2 didn't seem like a point. I will try these you gave
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volunteer
It's the point at the intersection of lines 1 and 2
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student
ok the intersection makes the point, right?
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volunteer
No, that's just where this point is.
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volunteer
I marked each point on the graph so you can visualize it easier
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student
I looked closer there is a point
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student
ty
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student
doing the problem now
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student
does it look correct so far?
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volunteer
No, I think you mixed up the numbers
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student
sheesh
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student
let me look again
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student
what about now?
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student
working on the next one
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volunteer
Correct!
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student
next points (-3,4)(-6,-1)
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volunteer
Close. The first one should be (-3, 3).
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student
im blind apparently. Sam
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[ { "pii_type": "PERSON", "surrogate": "Sam", "start": 21, "end": 24 } ]
student
-4/9?
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student
thats wrong. I wil figure it out
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student
no 4/3
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volunteer
Close. The numerator is correct, but the denominator is not. -6 - (-3) is -6 + 3, or -3.
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student
it say 4/3 is right
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volunteer
Yes
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student
was it positive because the numerator and the denominator was negative?
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volunteer
Yep
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student
ohh yeah tyyy!
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student
that is all :)
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volunteer
Ok, have a good night and keep working hard!
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student
TYYYY enjoy your night.
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student
Hi!
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volunteer
Hi! What can I help you with?
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student
I’m having issues with this problem
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volunteer
Okay I see it!
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volunteer
So start with the definition of complementary anggles
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volunteer
angles*
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student
Ummm a 90° angle that’s been bisected by a ray?
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student
Idk
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volunteer
Almost! Two complementary angles add up to 90 degrees
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volunteer
And you often see them represented as you described
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student
OHHHHH IS IT ONE OF THOSE 180° ONES?.
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student
Where it’s straight across?
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student
Or wait no
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volunteer
It's just like those problems but you want them to add up to 90 degrees instead!
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student
Wait
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student
How are the angles not connected by a point though in the problem?
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volunteer
What do you mean by that?
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student
Like the vertex
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volunteer
Oh yes they would look something like that, I was just clarifying the actual definition of the angles
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student
Oh
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volunteer
It'd be something like that, and I think that's what you drew (it was kind of blocked so I couldn't see all of it)
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volunteer
So knowing that UVW + XYZ = 90, do you know how we could start to approach this?
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student
Set both equations equal to 90?
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