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AmberAlexis
AmberAlexis AmberAlexis
  • 25-05-2016
  • Mathematics
Answered

Which equations are equations for the line shown?


Choose all answers that are correct.

Which equations are equations for the line shown? Choose all answers that are correct. class=
Which equations are equations for the line shown? Choose all answers that are correct. class=

Verified Answer :

Tareki
Tareki Tareki
  • 25-05-2016

the line passes by the points (2,-3) , (-2,5)
so the equation of a line passes by 2 points is (y-y1)/(x-x1) = slope 
slope = (y2-y1)/ (x2-x1) 
= (5-(-3)) / ( -2-2) 
= 8/-4 
= -2 
then subs. in the 1st equation of the line 
(y-(-3)) / ( x-2) =-2
so,, (y+3) = -2(x -2) 
so the answer is the 1st one 
to make sure ur equation is right subs in the equation by the point (0,1) 
if R.H.S = L.H.S 
then ur equation is right

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