Mathematics
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OpenStudy (anonymous):
NEED HELP ASAP!
What is the slope of the line passing through the points (0, 4) and (–8, –1)?
A.
B.
C.
D.
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OpenStudy (anonymous):
A -8/5
B -5/8
C 5/8
D 8/5
OpenStudy (emmamink):
Ok. slope is\[\frac{ y _{2}-y _{1} }{ x _{2}-x _{1}}\]
OpenStudy (anonymous):
ok
OpenStudy (emmamink):
so -1 - 4 is -5 and -8 minus 0 is -8. So we have -5/-8 as our answer.
OpenStudy (emmamink):
or just -5/8
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OpenStudy (anonymous):
ok thanks can u please help me with one more
OpenStudy (emmamink):
Medal if you want. I also need fans
OpenStudy (emmamink):
sure
OpenStudy (emmamink):
post away and tag me
OpenStudy (anonymous):
What is the slope of the line passing through the points (–1, 3) and (4, –7)?
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OpenStudy (emmamink):
Ok, look at the formula above.
OpenStudy (emmamink):
Let's plug in the values
OpenStudy (emmamink):
7 minus 3 is 4 and 4 minus 1 is 3 so we have 4/3
OpenStudy (anonymous):
a 2
b 3/4
c -4/3
d -2
OpenStudy (anonymous):
on second i think i rote it rong
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OpenStudy (emmamink):
C. sorry i forgot to add the nagative sign
OpenStudy (anonymous):
What is the slope of the line passing through the points -1,3 4,-7
OpenStudy (emmamink):
so ya it's C.
OpenStudy (anonymous):
thank so much can u help with one more?
OpenStudy (anonymous):
What is the slope of the line whose equation is 4x – 6y = 12?
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OpenStudy (anonymous):
4x-6y=12
OpenStudy (emmamink):
ok u know how to do it. I'm not doing all your test problems
OpenStudy (anonymous):
i think its 2/3
OpenStudy (emmamink):
Figure out 2 values for x and y, then do the formula
OpenStudy (emmamink):
it's pretty simple if u think about it.
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OpenStudy (anonymous):
ummmm
OpenStudy (anonymous):
is it rite?
OpenStudy (emmamink):
hold on....
OpenStudy (emmamink):
yes it is correct! Good job!
OpenStudy (anonymous):
thanks!! :) :)
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OpenStudy (anonymous):
bye :)
btw i love the cat
OpenStudy (emmamink):
thanks! can u fan me
OpenStudy (anonymous):
i did
OpenStudy (emmamink):
oh thanks!
OpenStudy (emmamink):
bye!