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OpenStudy (anonymous):
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What is the equation of the line passing through the points (–2, 2) and (3, –1)?
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OpenStudy (anonymous):
first find the slope between these two points.
OpenStudy (anonymous):
slope is 3
OpenStudy (anonymous):
no!
slope = y2 - y1 / x2 - x1
y2 - y1 = -1 - 2 = -3
x2 - x1 = 3 +2 = 5
so what is slope?
OpenStudy (anonymous):
how did gou find 3?
OpenStudy (anonymous):
4
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OpenStudy (anonymous):
NO! i said you try again! -3 / 5 is 4?!!!! :| :|
OpenStudy (anonymous):
do u know slope formula?
OpenStudy (anonymous):
noo
OpenStudy (anonymous):
slope = (y2-y1)/(x2-x1)
OpenStudy (anonymous):
i just told you.if you don't know slope formula then how do you find these answers? :D
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OpenStudy (anonymous):
yes slope is:
\[Slope = \frac{ y _{2} - y _{1} }{ x _{2} - x _{1} } \]
OpenStudy (anonymous):
now find slope.
OpenStudy (anonymous):
Find the slope (m), then just insert the numbers to this formula to find the equation: \[y-y_{1}=m(x-x_{1})\]
OpenStudy (anonymous):
@Dequavia123 , u still need help?
OpenStudy (anonymous):
besides this,u can find y-intercept and then put them in this equation:
y = mx + d
m -> slope
d -> y-intercept
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