what is the measure of the slope that passes through (2,6) and (5,-3)?
A.-3
B.-1/3
C.1/3
D.3
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OpenStudy (anonymous):
@hartnn
hartnn (hartnn):
numerator = y1 -y2 = 6- (-3) = ... ?
OpenStudy (anonymous):
3
OpenStudy (anonymous):
after this one can you help me with 4 more?
hartnn (hartnn):
no, its not 3
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OpenStudy (anonymous):
-3?
hartnn (hartnn):
\(6-(-3) = 6+3 = ...\)
OpenStudy (anonymous):
oh 9
hartnn (hartnn):
yes
denominator = x1 -x2 =2-5 = ...?
OpenStudy (anonymous):
-3
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hartnn (hartnn):
yes
slope = m = 9/(-3) =..
OpenStudy (anonymous):
so it would be d 3
hartnn (hartnn):
no...
m = 9/(-3) = -9/3 = -3
OpenStudy (anonymous):
ok
hartnn (hartnn):
did you understand the procedure ?
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hartnn (hartnn):
first find difference in y co-ordinates
numerator = y1 -y2
then find difference in x co-ordinates
denominator = x1 -x2
slope m = numerator/ denominator = (y1-y2)/(x1-x2)
OpenStudy (anonymous):
What is the slope of the line?
that passes through (4,1) and (-7,-2)
A.1 1/3
B.3/11
C.-3/11
D.-11/3
hartnn (hartnn):
try by yourself first
OpenStudy (anonymous):
i think it would be maybe b?
hartnn (hartnn):
B is correct :)
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OpenStudy (anonymous):
What is the slope of the line that passes through the points (2, 8) and (6, 12)?
A.
–5
B.
–1
C.
1
D.
5
OpenStudy (anonymous):
i think it would be b?
hartnn (hartnn):
nopes
hartnn (hartnn):
numerator = y1-y2 = ... ?
OpenStudy (anonymous):
c
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hartnn (hartnn):
yes, C
OpenStudy (anonymous):
What is the slope of the line that passes through the points (16, –1) and (–4, 10)?
A.-20/11
B.-11/20
C.11/20
D.20/11
OpenStudy (anonymous):
b?
hartnn (hartnn):
correct!
OpenStudy (anonymous):
What is the slope of the line that passes through the points (–2, 15) and (–8, –5)?
A.-10/3
B.-5/2
C.5/2
D.10/3
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OpenStudy (anonymous):
i think it is d?
hartnn (hartnn):
good!
D is correct :)
OpenStudy (anonymous):
can you help me with 9 other questions?
OpenStudy (anonymous):
What is the slope of the graph of 4x – 16y = 15?
A.-4
B.-1/4
C.1/4
D.4
hartnn (hartnn):
ask in a new post, i am unavailable, others will help you :)