Q.21 Draw the graphs of the equation x-y+ = 0 and 3x+2y-12 = 0 determine the coordinates of the vertices of the triangle formed by these lines and x axis and shade the triangular region . Q.22 Solve the following system of linear equations graphically 2x-3y-17 = 0 and 4x+y-13 = 0 shade the region bounded by the above lines and x axis. Q.23 solve the following system of linear equation of linear equations graphically 2x+3y= 4 and 3x-y= 5 Shade the region bounded by the above lines and y axis . Q.24 Draw the graphs of the equations 5x-y = 5 and 3x-y = 3 . Determine the co-ordinate of the vertices of the triangle formed by these lines and the y axis

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21



Vertices of triangle are (-1,0) and (4,0)
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Brother these questions are to be solved graphically .
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