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WORKBOOK






                  ANSWERS
                  1)a) y=-2x+5    b)y=4x+2   c)y=4x+12    d)y=-5x    2) y=(-1/3)x+1   b) y=-x+1       3) y=-2x+5   b)y=5x-1
                  4) a) -2x+3y=6   b) 2x+y+4=0    c) y=( ¾)x-3/2    d) x=4       e)y=(-3/2)x+6   f)x-y-3=0    g)y=(1/3)x
                  h)y=-2   5)(-7,0)   6) -6  7) y=-x+2    8) (0, 9/2)




                                                       EXERCISES 4

                  1) (−6,3) is the midpoint of [] where (6,30) and (6−3,3−9). Find + .







                  2) Find the perimeter of  ABC with vertices (−2,−2), (2,−2) and (−2,1).






                  3) (2,) is equidistant from the points (5,0) and (−3,2). Find .






                  4) (3,2), (−1,−2) and (,1) are collinear points. Find .








                  5) In  ABC , the midpoints of the sides [], [] and [] are (−3,6),(0,1) and (2,4),
                  respectively.
                  Find the coordinates of .




                  6) A line passing through (3,1) cuts the −axis at − 5. Find −intercept of that line.



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