Find three different solutions of the each of the following equations.
(i) 3x + 4y = 7 (ii) y = 6x (iii) 2x - y = 7
(iv) 13x - 12y = 25 (v) 10x + 11y = 21 (vi) x + y = 0

Draw the graphs of the following equations : (iii) 3x-7y=21

Find the domain and range of each of the following relations : S={(x,y) :x,y in NN and x+3y=12}.

If (0, a) and (b, 0) are the solutions of the following linear equations. Find ‘a’ and ‘b’. (i)8x - y = 34 (ii) 3x = 7y - 21 (iii)5x - 2y + 3 = 0

Find the paraticular solutions of the following equations: (6x-4y+3)dx-(3x-2y+1)dy=0 , given y=4, when x=2

Solve by matrix inversion method the following system of equations. x + y + z = 6, x + 2z = 7, 3x + y + z = 12

Find the degree of each of the polynomials given below (i) x ^(5) - x ^(4) +3 (ii) x ^(2) + x -5 (iii) 5 (iv) 3x ^(6) + 6y ^(3) -7 (v) 4- y ^(2) (vi) 5t - sqrt3

Express the following linear equation in the form of ax+by+c=0 and indicate the values of a, b and c in each case. (i) 8x + 5y - 3 = 0 (ii) 28x - 35y = - 7 (iii) 93x = 12 - 15y (iv) 2x = - 5y (v) x/3+y/4=7 (vi) y=(-3)/2x (vii) 3x+5y=12

Find the equation of the bisector of the obtuse angle between the lines 3x-4y+7=0 and 12 x+5y-2=0.

Solve by matrix inversion method the equations in each of the following: 7x + 4y + 1 = 0, 3x + y = 1