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Algebra 21 Online
OpenStudy (anonymous):

Choose the slope-intercept equation of the line that passes through the point shown and is perpendicular to the line shown. y = -3 halvesx y = 3 halvesx - 6 y = -2/3x - 5/3 y = 2/3x - 13/3

OpenStudy (anonymous):

OpenStudy (anonymous):

@...help... please help me

OpenStudy (anonymous):

I can try but I am not really sure :\ .....

OpenStudy (anonymous):

k

OpenStudy (anonymous):

where is the line and the point. Are they in the attached file?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Can you see these points on the equation of the line ? (0, 3) and (-3, 1)

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

thus the slope of the given line will be \[\Huge m=\frac{ 3-1 }{ 0-(-3) }=\frac{ 2 }{ 3 }\]

OpenStudy (anonymous):

Now can you find the slope w/c is perpendicular to the above one?

OpenStudy (anonymous):

you there?????

OpenStudy (anonymous):

w/c ?

OpenStudy (anonymous):

you there?????

OpenStudy (anonymous):

@Zekarias

OpenStudy (anonymous):

ok I am here you have the slope of the given line, w/c is 2/3. Now can you tell me the slope w/c is perpendicular to 2/3.

OpenStudy (anonymous):

You know this?\[\Huge m{\times}m_{perpendicular} =-1\]

OpenStudy (anonymous):

whats w/c

OpenStudy (anonymous):

which....w/c

OpenStudy (anonymous):

Thus the slope what I ask you before, anyhow, is\[\Huge m_{\perp}=\frac{ -1 }{ m }=\frac{ -1 }{ \frac{ 2 }{ 3 } }=\frac{ -3 }{ 2 }\]

OpenStudy (anonymous):

Therefore finally we have slope (-3/2) and point (2, -3). Finally\[\Huge \frac{ y-(-3) }{ x-2 }=\frac{ -3 }{ 2 }\]\[\Huge 2y+6=-3x+6\]

OpenStudy (anonymous):

okay i see. uhm sorry but which choice would that be ?

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