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Mathematics 18 Online
OpenStudy (anonymous):

find an equation for the line through (-7,-4) and vertical

OpenStudy (nottim):

Vertical?

OpenStudy (anonymous):

yea :-(

OpenStudy (saifoo.khan):

Vertical means Slope = undefined. So, equation = x = -4

OpenStudy (anonymous):

y=slope+y intercept

OpenStudy (saifoo.khan):

|dw:1330308467795:dw|

OpenStudy (anonymous):

but whats the equation for the line?

OpenStudy (saifoo.khan):

As the line only cuts the x-axis, the equation is, x = -4

OpenStudy (anonymous):

thankyou

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