1. Find the equation of the straight line passing through the points (at12, 2at1) and ( at22, 2at2).
2. Find the value of y, if the line passing through the points (3,y),and (2,7) is parallel to the line joining the points (-1,4) and (0,6).
3. If the area of the triangle formed by the straight line x=0, y=0 and 3x+4y = a (a>0) is 6 , find the value of ‘a’.
4. Transform the equation x+y+1= 0 into normal form.
5. Find the distance between the parallel straight lines 3x+4y-3=0 and 6x+8y-1=0
6. Find the image of the point (1,1) is the straight line 3x+4y-1=0.
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