(ii) or-sy + 10-U 2x-y + 9-30 3. Ratio and compare Compatible or incompatible: (1) 3x + 2y = 5%; 2x-3y% D7 (I 3 5 (ii) (iv) 7.9r-10V = 14 D

On comparing the ratios (a_1)/(a_2),(b_1)/(b_2) and (c_1)/(c_2) , find out whether the following pair of linear equations are consistent, or inconsistent. (i) 3x+2y=5; 2x-3y = 7 (ii) 2x-3y=8 ; 4x-y=9 (iii) 3/2x+5/3y=7 ; 9x-10y=14 (iv) 5x-3y=11 ; -10x+6y = -22 (v) 4/3 x +2y=8 ; 2x+3y = 12

On comparing the ratios (a_1)/(a_2),""""(b_1)/(b_2) and (c_1)/(c_2) , find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincident : (i) 3x+2y=5; 2x-3y=7 (ii)2x-3y=8;4x-6y=9 (iii)(3/2)x+(5/3)y=7;9x-10y=14 (iv)5x-3y=11;-10x+6y=-22 (vi)(4/3)x+2y=8;2x+3y=12

2x+3y=5 6x+9y=10

On comparing the ratios (a_(1))/(a_(2)),(b_(1))/(b_(2)) and (c_(1))/(c_(2)), find out whether the following pair of linear equations are consistent,or inconsistent.(i) 3x+2y=5;2x-3y=7( ii) 2x-3y=8;4x-y=9 (iii) (3)/(2)x+(5)/(3)y=7;9x-10y=14( (iv) 5x-3y=11;-10x+6y=-22( v) (4)/(3)x+2y=8;2x+3y=12

Simplify: [5-3x+2y-(2x-y)]-(3x-7y+9)

Simplify: [5-3x+2y-(2x-y)]-(3x-7y+9)

Add: 3x + 5y -4,-9x + 4y and 2x-5y+7.

Classify the following pairs of lines as coincident, parallel, perpendicular or intersecting : (i) 6x+14y-16=0 , 12x+28y-32=0 (ii) 3x-4y=8 , 3x+4y=11 (iii) 5x-2y=7 , 2y-5x=-7 (iv) 4x+7y=19 , 7x-4y=-2 (v) x-2y=7 , 4y-2x=13