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 Math 120 Q21 Review for Exam 2

p1 = (2,2) p2= (-11,-8)  

slope formula  (y2-y1)/ (x2-x1)  -> (10/13) = m  

then use (y-y1)=m(x-x1)   easiest point (2,2) = (x1,y1)  

step 1 -> (y-2)= (10/13)(x-2)  
step 2 -> (y-2)= 10/13x-(20/13)  
step 3 -> y= 10/13x-(20/13)+2  
step 4 -> y= 10/13x-(20/13)+2 (13/13)  
step 5 -> y= 10/13x-(20/13)+(26/13)  
step 6 -> y=10/13x+(6/13) = Answer

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Welcome!

TUTORS FALL 2014


DO NOT SHY AWAY FROM SHOWING YOUR MATH ON PAPER. THE GRAPH FOR QUESTION FOUR REQUIRES A GRAPH  (generated from mathematica) AND THE CODE USED IN MATHEMATICA. More is better then less.
 

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