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Mathematics 21 Online
OpenStudy (dancergirl45):

PLEASE ANSWER Select the equation of the line that passes through the point (−2, 3) and is perpendicular to the line on the graph.

OpenStudy (dancergirl45):

OpenStudy (dancergirl45):

@phi

OpenStudy (dancergirl45):

@YoungStudier

OpenStudy (dancergirl45):

@beyonced98 please help

OpenStudy (anonymous):

The equation of the line passing through the point (2, - 3) and perpendicular to the line is y + 3 = 13(x - 2).

OpenStudy (phi):

do you know which way a perpendicular line goes to a vertical line?

OpenStudy (dancergirl45):

stright

OpenStudy (phi):

you mean straight sideways that means the y value never changes y= a constant number any idea what that number is ? remember you want to go through (-2,3)

OpenStudy (dancergirl45):

Wait i am confused

OpenStudy (phi):

what is the y value of (-2,3) ?

OpenStudy (dancergirl45):

3

OpenStudy (dancergirl45):

beyonced that is not one of my choices

OpenStudy (phi):

you want an equation y= some number and you know you want y to be 3 to go through (-2,3) that means y=3

OpenStudy (dancergirl45):

ok thank you!! can you help me with another one

OpenStudy (phi):

if you try hard

OpenStudy (dancergirl45):

ok

OpenStudy (dancergirl45):

Which of the following lines is parallel to x = 7?

OpenStudy (dancergirl45):

3y=7 y=7 x=y x=4

OpenStudy (phi):

if x = 7 that means x is 7 for all points on the line for example, these points are on the line: (7,1), (7,2), (7,3) if you plot those points, which way is the line going? is it going straight up/down or sideways?

OpenStudy (dancergirl45):

sideways

OpenStudy (phi):

it looks like this |dw:1445454623796:dw|

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