OMTEX CLASSES: Linear Equations in Two Variables Practice Set 1.1

Linear Equations in Two Variables Practice Set 1.1


Linear Equations in Two Variables

Practice Set 1.1

(1) Complete the following activity to solve the Simultaneous equations. 

5x + 3y = 9 ------- (I) 
2x - 3y = 12 ------- (II)  [Solution Click Here]


(2) Solve the following simultaneous equations.

(1) 3a + 5b = 26; a + 5b = 22 [Solution Click Here]

(2) x + 7y = 10; 3x - 2y = 7 [Solution Click Here] 

(3) 2x - 3y = 9; 2x + y = 13 [Solution Click Here]

(4) 5m - 3n = 19; m - 6n = - 7 [Solution Click Here]

(5) 5x + 2y = - 3; x + 5y = 4 [Solution Click Here]

(6) 1/3 x + y = 10/3 ; 2c + 1/4y = 11/4 [Solution Click Here]

(7) 99x + 101y = 499; 101x + 99y = 501[Solution Click Here]

(8) 49x + 57y = 172; 57x - 49y = 252 [Solution Click Here]


Practice Set 1.2 

1. Complete the following table to draw graph of the equations. [Ans]
x + y = 3 
x – y = 4

2. Solve the following simultaneous equations graphically. 

i. x +y = 6 ; x – y = 4 [Ans.]

ii. x + y = 5 ; x – y = 3. [Ans]

iii. x + y = 0; 2x – y = 9. [Ans]

iv. 3x – y = 2; 2x – y = 3. [Ans]

v. 3x – 4y = - 7 ; 5x – 2y = 0 [Ans]

vi. 2x – 3y = 4 ; 3y – x = 4. [Ans]