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WORKBOOK

ANSWERS

11 13
1)-15/2 3)k=5 4)2 5)(5, -1) 6) 15/4 7)y=-3x+17 8) 17 9)y x 10) c)-1/6
6 3
11)c) L 2 d)L 4 e) L 3 12)a) 34 b)m=-7/2 c)M(1/2, 3) 13)3/2 14)(0, 10 ) 15)-25 16) C(0, -1)
17)5/2

EXERCISES 5

1) Is A(2, 8) on the line 2x – y + 4=0 ?

2) Is 4x – y - 7=0 passing through the point A(2, -1) ?

3) If (m-3)x+y+2=0 passes through P(-1,4), find the value of m.

4) If P(2t – 1 , t-3) is on the x-3y+5 = 0 , find the value of t .

5) Let A(4,1) and B(0,-5) be two points. If (k-2)x+(3+2k)y+1=0 passes through the mid-point
of [AB], find the value of k.

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102math-wb-w3-(Vector)