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Mathematics 16 Online
OpenStudy (anonymous):

Please helpp

OpenStudy (anonymous):

Ok...

OpenStudy (anonymous):

Alright just me one sec, thanks!:)

OpenStudy (anonymous):

k

OpenStudy (anonymous):

Write in point slope form an equation of the line through each pair of points (1,9) and (6,2)

OpenStudy (anonymous):

cant help sorryyyyy

OpenStudy (anonymous):

The answer is y - 9 = -7/5(x-1) just not sure how to get this answer

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

Can you help @ganeshie8

OpenStudy (anonymous):

@kewlgeek555

OpenStudy (kewlgeek555):

Do you know the pointe-slope formula?

OpenStudy (anonymous):

It's y - y1 = m (x - x1)

OpenStudy (kewlgeek555):

Okay, great job. Did you know you needed the slope for that, but you don't have the slope! OMG! But I have the solution: \[SLOPE = \frac{ y _{2}-y _{1} }{ x _{2}-x _{1} }\]

OpenStudy (kewlgeek555):

You just need two points and hey - you have two points! The point more to the left is:\[(x _{1},y _{1})\]and the point more to the right is:\[(x _{2},y _{2})\]

OpenStudy (kewlgeek555):

So...try to solve this to get your slope:\[\frac{ 2-9 }{ 6-1 }\]

OpenStudy (anonymous):

-7/5?

OpenStudy (kewlgeek555):

(or -1.4)

OpenStudy (kewlgeek555):

;]

OpenStudy (anonymous):

Thanks!:) can you help with another? Write the equation of the line through each point. Use slope intercept form. (1, -1); parallel to y = 2/5x – 3

OpenStudy (kewlgeek555):

Ooh...ask me anything that doesn't have to do with "parallel" or "perpendicular" I am horrible with that. Sorry, I am not going to help you if I can't really help. @ganeshie8 @mathstudent55 @agent0smith @DebbieG can help you - SORRY. T_T

OpenStudy (anonymous):

Thanks anyway!:)

OpenStudy (agent0smith):

Parallel means the lines have the same slope.

OpenStudy (agent0smith):

So the line has the same slope as the other one, then use this point (1, -1) and y - y1 = m(x - x1)

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