Question

Q.1(A) MCQ

1. To draw the graph of 4x + 5y = 19, if x = 1 is taken then what will be the

value of y?

A) 4 B) 3 C) 2 D) −3

2) For the equations with variables x and y, if Dx = 26, Dy = −39 and D =

13 then x =?

A)2 B) − 3 C) − 2 D) 3

3) Which of the following is linear equation in two variables?

A)

3

+

5



= 6 B) 2x2-3y=8-3y C) x+2y=5-3y D) 3 x²+y

4) which of the following is not the solution of 3x+6y=12?

A) (-4,4) B) (0,2) C) (8, -2) D) (3,1)

5) |

3 5

2

| = 2 ∴ = -------

A) 3 B) 4 C) – 3 D) – 4

6) For equations 5x + 3y + 11 = 0 and 2x + 4y = - 10 find D.

A) 14 B) – 14 C) 26 D) – 26

7) If 49 x – 57 y = 172 and 57 x – 49 y = 252 then x + y =?

A) 80 B) 0 C) 10 D) 8

8) The solution of the equation 2x – y = 2 is ------.

A) (2,2) B) (5,2) C) (2,5) D)

(5,5)​

Answer 1

Answer:

(1) Option D is correct (-3)

(2) Option A is correct (2)

(3) Option C is correct (x+2y=5-3y)

(4) Option D is correct (3, 1)

(5) Option C is correct (-3)

(6) Option A is correct (14)

(7) Option C is correct (10)

(8) Option A is correct (2, 2)