Which of the following equations describe the line shown below? Check all that apply. (-3,-6) (1,6)
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OpenStudy (eric_d):
where are the equations
OpenStudy (anonymous):
oh sorry eric
OpenStudy (anonymous):
@eric_d
OpenStudy (anonymous):
A. y-6=3(x-3)
B. y+6=3(x+1)
C. y-6=3(x+1)
D. y+6=3(x+3)
E. y=3x+2
F. y=3x+3
OpenStudy (anonymous):
@eric_d im done
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OpenStudy (eric_d):
ok..
OpenStudy (anonymous):
check all that apply
OpenStudy (eric_d):
first ,find the gradient, m
m= y2-y1/x2-x1= 3
So, rearrange the options into y=mX+C
OpenStudy (anonymous):
k den wat
OpenStudy (eric_d):
eliminate those options which don't hv gradient,m =3
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OpenStudy (anonymous):
so a is out right
OpenStudy (eric_d):
yes
OpenStudy (anonymous):
k den b is out
OpenStudy (anonymous):
@eric_d is b out
OpenStudy (eric_d):
ys, u shld continue
This method is easier
y=mX+C
Find C, y-intercept by subsituting value of x and y which is given.. like (1,6)
y=mX+C
6=3(1)+C
C=3
Final equation is
y=3x+3
f.
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OpenStudy (anonymous):
so the answers are c and f
OpenStudy (eric_d):
No.. it's f
You think it's C coz I wrote there
No! C means y-intercept
OpenStudy (anonymous):
okay so its just f im sorry im new to this im from germany
OpenStudy (eric_d):
No worries!
You can use b instead of C as y-intercept
OpenStudy (anonymous):
i thought the answer was c i didnt think it would be f lol
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OpenStudy (eric_d):
It is f
I had shown u the working
If u still don't understand, jst tag others...
Bye.....