linear equation in two variables

The linear equation 3x – y = x – 1 has :

• A unique solution

• (B) Two solutions

• (C) Infinitely many solutions

• (D) No solution

: Any point on the----------is of the form (0, y)

(a)  

. If (2, 0) is a solution of the linear equation 2x + 3y = k, then the value of k is

• 4

• 6

• 5

• 2

The graph of the linear equation 2x + 3y = 6 cuts the y-axis at the point

• (2, 0)

• (0, 3)

• (3, 0)

• (0, 2)

Any point on the x-axis is of the form

• (y,y)

• (x,0)

• (0,y)

• (0,0)

Any point on the line y = x is of the form

• (A) (a, a)

• (B) (0, a)

• (C) (a, 0)

• (D) (a, – a)

The equation of x-axis is of the form

• x = 0

• y = 0

• x + y = 0

• x = y

. x = 5, y = 2 is a solution of the linear equation

• x + 2 y = 7

• 5x + 2y = 7

• x + y = 7

• 5 x + y = 7

The graph of y = 6 is a line

• parallel to x-axis at a distance 6 units from the origin

• parallel to y-axis at a distance 6 units from the origin

• making an intercept 6 on the x-axis.

• making an intercept 6 on both the axes.

The positive solutions of the equation ax + by + c = 0 always lie in the

• 1st quadrant

• 2nd quadrant

• 3rd quadrant

• 4th quadrant