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

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

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

Solve the following simultaneous linear equations by drawing graphs for them : (xiv) 3x+5y=12, 3x-5y + 18 =0

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

Reduce the following equations into intercept form and find their intercepts on the axes. (i) 3x + 2y - 12 = 0 , (ii) 4x - 3y = 6, " " (iii) 3y + 2 = 0 .

Write each of the following in the form of ax + by + c = 0 and find the values of a, b and c (i) x = -5 (ii) y = 2 (iii) 2x = 3 (iv) 5y = -3

Express each of the following equations in the form of ax + by + c = 0 and write the values of a, b and c. (i) 3x + 4y = 5 (ii) x - 5 = sqrt3y (iii) 3x = y (iv) x/2+y/2=1/6 (v) 3x - 7 = 0

If x = 2k + 1 and y = k is a solutions of the equation 5x + 3y - 7 = 0, find the value of k.

Find the real values of K for which the following system of linear equations has non-trival solutions: x-ky+z = 0, kx + 3y - kz = 0, 3x + y-z = 0

Express the following linear equations in the form of ax + by + c = 0 and indicate the values of a, b, c in each case? (i) 3x + 2y = 9 (ii) -2x + 3y = 6 (iii) 9x - 5y = 10 (iv) x/2-y/2-5=0 (v) 2x = y