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OpenStudy (urturn):
write equation for the line that is parrallel to given line and passes through the given point y=3x+7; (2,10)
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OpenStudy (anonymous):
They give you y=3x+7 and (2,10)
OpenStudy (anonymous):
To get a line that is parallel, you keep the same slope but change the y-intercept.
OpenStudy (anonymous):
In this case all that is need from the function given is the slope.
OpenStudy (anonymous):
What is the slope in that function?
OpenStudy (urturn):
3 and 7
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OpenStudy (urturn):
that the slope
OpenStudy (anonymous):
Why 3 and 7? Slope is equal to the coefficient of he x variable. So it is 3.
OpenStudy (urturn):
u want me show u the equation in a pic
OpenStudy (anonymous):
\[m=3\]\[y-y_{1}=m(x-x _{1})\]
OpenStudy (anonymous):
No need for a pic.
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OpenStudy (urturn):
ok
OpenStudy (anonymous):
The equation above is called point-slope form. It can help you derive an equation using just the coordinates of a point and the slope
OpenStudy (anonymous):
m= 3
x= 2
y=10
All you do is plug into that formula ans solve for y.
OpenStudy (urturn):
do want to see the answer they put up
OpenStudy (urturn):
y=33x+11 y=3x+4 y=-3x+4 y=(-1/3)x+4
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OpenStudy (anonymous):
Which one is it?
OpenStudy (anonymous):
Follow my explanation and solve.
OpenStudy (urturn):
ok
OpenStudy (urturn):
help
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