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Mathematics 10 Online
OpenStudy (anonymous):

Choose the equation of the line passing through the point (6, -2) and parallel to y = x + 7. y = x + 8 y = x - 4 y = x + 4 y = x - 8

OpenStudy (ybarrap):

To be parallel, the other line has to have the same slope, right?

OpenStudy (anonymous):

yes

OpenStudy (ybarrap):

What is the slope of your line, y=x+7?

OpenStudy (anonymous):

yes it is

OpenStudy (anonymous):

i think its 1

OpenStudy (ybarrap):

Do any of the options have this same slope?

OpenStudy (anonymous):

they all do

OpenStudy (ybarrap):

Right. So they are ALL parallel. So no we need to determine which of them pass through the point (6,-2). That means, if we plug in x=6 and the answer to the equation comes out to y=-2, we found the answer.

OpenStudy (ybarrap):

*now

OpenStudy (ybarrap):

Plug in x=6 for the 1st option: y = x + 8 What is y?

OpenStudy (ybarrap):

Do this for all your options. When you get y=-2. You're done!

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