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OpenStudy (anonymous):
OpenStudy (anonymous):
C. do you know why?
OpenStudy (anonymous):
becuase it passes through it? o';
OpenStudy (anonymous):
point slope formula : (y - y1) = slope (x - x1)
so your given the slope which is -5
so (y-y1) = -5 (x-x1)
and your also given 1 point so you plug those in aswell
( y +1 ) = -5 ( x - x1)
now plug in the x value
y + 1 = -5 ( x -2)
OpenStudy (anonymous):
oh omfg so you have to do all that? O:
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OpenStudy (anonymous):
what about this one?
OpenStudy (anonymous):
i think you can do this one by yourself:) just try all you need is this equation
y = mx+b
where m is the slope
and b is the y intercept
OpenStudy (anonymous):
B? :) @tejasvir
OpenStudy (anonymous):
good job! i knew you could do it
OpenStudy (anonymous):
thanks <3
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OpenStudy (anonymous):
anytime:)
OpenStudy (anonymous):
wait what about this one? it looks like C but idk im confuzed :/ @tejasvir
OpenStudy (anonymous):
okay so what is the equation of a line that i told you
OpenStudy (anonymous):
y = mx+b
OpenStudy (anonymous):
right! so what is the slope of the line thats given in the equation?
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OpenStudy (anonymous):
its B or D right?
OpenStudy (anonymous):
lets work through it we are almost done:)
OpenStudy (anonymous):
so what is the slope thats given?
OpenStudy (anonymous):
2 @tejasvir
OpenStudy (anonymous):
help fast plz bc i have 3 other questions i needa do and im on a timer :/ u know how that goes :(
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OpenStudy (anonymous):
@tejasvir
OpenStudy (anonymous):
right so it is y = 2x + b
now plug the point into the equation
1 = 2*1 + b
solve for b
OpenStudy (anonymous):
C?
OpenStudy (anonymous):
wait no B!
OpenStudy (anonymous):
1 = 2 + b
1- 2 = b
what is b?
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OpenStudy (anonymous):
-1
OpenStudy (anonymous):
right so the equation is y = 2x -1 right so which answer choice is that?