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Mathematics 16 Online
OpenStudy (biohazard9064):

Help Please

OpenStudy (biohazard9064):

Choose the equation of the line passing through the point (-4, -2) and perpendicular to y = -x + 6. A. y = -x + 6 B. y = x - 6 C. y = -x - 2 D. y = x + 2

OpenStudy (welshfella):

Hint: the line perpendicular to y = mx + b has a slope of - 1/m

OpenStudy (biohazard9064):

ok

OpenStudy (welshfella):

so for y = -x + 6 the slope is -1 so the slope of a line perpendicular to it would be ?

OpenStudy (biohazard9064):

y = x - 6

OpenStudy (welshfella):

well the slope would be 1 / (-(-1) = 1 so the line would be y = x + something but why do you think its y = x + 6/

OpenStudy (biohazard9064):

So D then

OpenStudy (welshfella):

to find which equation is correct you need to plug in the coordinates of the point (-4,-2) and see if it fits

OpenStudy (biohazard9064):

how do I do

OpenStudy (biohazard9064):

that

OpenStudy (welshfella):

|dw:1439503328195:dw|

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