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Linear Algebra

OpenStudy (anonymous):

What is the equation of the line that passes through (4, -1) and (-2, 3)

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TheSmartOne (thesmartone):

First calculate slope and then put it in the point intercept format.

OpenStudy (anonymous):

ok

TheSmartOne (thesmartone):

\[slope=\frac{ y _{2}-y _{1} }{ x _{2}-x _{1}}\]

OpenStudy (anonymous):

ok

TheSmartOne (thesmartone):

point slope form is \[(y-y _{1})=m(x-x_{1})\] where m is the slope and the point is \[(x _{1},y _{1})\]

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OpenStudy (anonymous):

oh

TheSmartOne (thesmartone):

Have you gotten the answer yet?

OpenStudy (anonymous):

yeah Thanks

TheSmartOne (thesmartone):

No problem.

OpenStudy (anonymous):

What is the equation of the line with an x-intercept of -1 and a y-intercept of 2

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OpenStudy (anonymous):

can you help me with these?

TheSmartOne (thesmartone):

find the slope of the two points (-1,0) and (0,2) and put it in the same format as the previous one.

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