Linear equations in two variables | 2.1K plays

1.

Multiple Choice

30 sec

1 pt

The equation y = 3x + 5 has _____

A unique solution

Only two solutions

Three solutions

Infinitely many solutions

2.

Multiple Choice

30 sec

1 pt

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

4

5

6

2

3.

Multiple Choice

30 sec

1 pt

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

(2 ,0)

(0 ,3)

(3 ,0)

(0, 2)

4.

Multiple Choice

30 sec

1 pt

The graph of the line x = 6 is a line___

parallel to x -axis at a distance of 6 untis from origin

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

making an intercept 6 on the x-axis

making an intercept 6 on both the axis

5.

Multiple Choice

30 sec

1 pt

If we multiply or divide both sides of a linear equation with a non-zero number, then the solution of the linear equation____

Changes

Remains the same

Changes in case of multiplication only

Changes in case of division only

6.

Multiple Choice

30 sec

1 pt

Is x = -3 vertical or horizontal?

vertical

horizontal

neither

7.

Multiple Choice

2 mins

1 pt

Which equation represents the following graph?

y = 3x + 2

y = -2x + 3

y = 2x + 3

y = -3x + 2

8.

Multiple Choice

45 sec

1 pt

The solution of equation x-2y = 4 is:

a. (0,2)

b. (2,0)

c. (4,0)

d. (1,1

9.

Multiple Choice

45 sec

1 pt

The graph of linear equation x + y = 2, cuts the y-axis at:

a. (2,0)

b. (0,2)

c. (0,1)

d. (1,1)

10.

Multiple Choice

30 sec

1 pt

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

a. (k, -k)

b. (0, k)

c. (k, 0)

d. (k, k)

11.

Multiple Choice

30 sec

1 pt

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

a) 1st quadrant

b) 2nd quadrant

c) 3rd quadrant

d) 4th quadrant

12.

Multiple Choice

30 sec

1 pt

Equation of the line parallel to x-axis and 6 units above the origin is:

a) x = 6

b) x = –6

c)y = 6

d)y = –6

13.

Multiple Choice

30 sec

1 pt

The graph of which of the following equations passes through the origin?

(i) y = 2x + c

(ii) y = 2x – c

(iii) y = 2x

14.

Multiple Choice

30 sec

1 pt

Is (3, 2) a solution of x + y = 6?

yes

no

may be, cannot judge.

none of the above

15.

Multiple Choice

30 sec

1 pt

The geometrical representation of a linear equation

Straight line

Curve

Parabola

Either (b) or (c)

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