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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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102math-wb-w3-(Vector)