Mathematics
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OpenStudy (anonymous):
I really need assistance. Can anybody help me?
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OpenStudy (dawnr):
that depends ..what do you need? XD
OpenStudy (anonymous):
Point A is located at (0, 4) and point B is located at (−2, −3). Find the x value for the point that is 1 over 4 the distance from point A to point B.
OpenStudy (dawnr):
just draw it!
OpenStudy (anonymous):
−1.5
−2
−0.5
−1
OpenStudy (anonymous):
but what does it mean by 1/4 the distance?
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OpenStudy (dawnr):
1 over 4 is 5 XD
OpenStudy (anonymous):
what formula do i use?
OpenStudy (dawnr):
try to draw both and the x as a point (such as A or B)
OpenStudy (dawnr):
as for the formula you have this one:
A(x1,y1) ; B(x2,y2), d(A,B)=AB=sqrt(x2-x1)^2 +(y2-y1)^2 in your case x is d
OpenStudy (anonymous):
i don't get it but thanks anyway
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OpenStudy (dawnr):
XD for A(x1=0,y1= 4) for B (x2=−2, y2=−3)
OpenStudy (anonymous):
so -3-4/-2-0
OpenStudy (anonymous):
-7/-2
OpenStudy (anonymous):
i got 3.5
OpenStudy (dawnr):
how did you get that? o.O
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OpenStudy (anonymous):
i used the formula slope, m= y2-y1/x2-x1
OpenStudy (dawnr):
\[\sqrt{(-2-0)^{2}+(-3-4)^{2}}=\sqrt{(-2)^{2}+(-7)^{2}}=\sqrt{4 + 49}=\sqrt{53}\]
OpenStudy (dawnr):
do you have a solution to it..the exact number?
OpenStudy (anonymous):
do you mean the choices for the answer because this question is multiple choice
OpenStudy (dawnr):
are those the one you posted above?
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
but i can repost them
OpenStudy (anonymous):
a)−1.5
b) −2
c)−0.5
d)−1
OpenStudy (anonymous):
|dw:1402939150351:dw|
OpenStudy (anonymous):
correction -0.5
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OpenStudy (anonymous):
O, wow, well thanks for the help; i needed it
OpenStudy (anonymous):
yw