Mathematics
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OpenStudy (anonymous):
Choose the point-slope form of the equation below that represents the line that passes through the point (6, -3) and has a slope of one half.
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OpenStudy (anonymous):
Help?
OpenStudy (anonymous):
@iambatman ?
OpenStudy (anonymous):
Y2-y1 over x2-x1
OpenStudy (anonymous):
Sorry y=mx+b
OpenStudy (anonymous):
So This Is The Equation so far 6=1/2 (-3)+b
Now You Have To Solve for b
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pooja195 (pooja195):
\[\huge~\rm~y-y_1=m(x-x_1)\]
pooja195 (pooja195):
(x1,y1)
m=slope
pooja195 (pooja195):
And where are your options??
OpenStudy (anonymous):
Either equation will give you the same answer
OpenStudy (anonymous):
The choices are
y - 6 = 1/2 (3 + x)
y = 1/2x - 6
y - 3 = 1/2 (x - 6)
x - 2y = 12
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OpenStudy (anonymous):
@pooja195 @Niaa08
pooja195 (pooja195):
Ok so we dont need to solve
\[ \huge~\rm~y−y_1=m(x−x_1)\]
(x1,y1)
m=slope
Just plug in the given info
OpenStudy (anonymous):
Im not so sure how to, im kinda new at this...
OpenStudy (abb0t):
Answer is \(\sf \color{red}{C}\)
in other words, choice number 3.
pooja195 (pooja195):
(6, -3)
(x1,y1)
x1=6
y1=-3
And the slope is given
slope =1/2
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OpenStudy (anonymous):
Then what?
pooja195 (pooja195):
plug the info into the formula
OpenStudy (abb0t):
Although, it should be \(\sf \ y+3 = \frac{1}{2} x-6\)
OpenStudy (abb0t):
not -3
OpenStudy (abb0t):
But choice 3 looks like the most correct.
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pooja195 (pooja195):
@abb0t please stop giving direct answers and let the user learn
OpenStudy (anonymous):
oops yeah it's +3 not -3
OpenStudy (abb0t):
Yep, then that's the answer @TheDragon :)
pooja195 (pooja195):
Wow.
OpenStudy (anonymous):
Thanks @abb0t @pooja195 for the help
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OpenStudy (abb0t):
You're very welcome. If you need anymore just tag me <3