what is the y coordinate of the point, physics problem help

label Physics
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Jan 13th, 2016

Thank you for the opportunity to help you with your question! Am really grateful and hope you find it helpful.

Assuming the gradient of the line is and the other point on the line is (a,b) and the given point is  (-2,y)

then g=(a--2)/(b-y)

g(b-y)=a+2

gb-gy=a+2

-gy=a+2-gb

gy=gb-a-2

y=(gb-a-2)/g

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jan 13th, 2016

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