Question

1. Which of the following is not a linear equation in two variables?
2 a) ax + by = c b) ax + bx = c c) 2x + 3y = 5 d) 3x + 2y = 6
2. The graph of ax + by + c = 0 is
a) a straight line parallel to x–axis b) a straight line parallel to y–axis
c) a general straight line d) a line in the 2nd and 3rd quadrant
3. The solution of a linear equation in two variables is
a) a number which satisfies the given equation
b) a pair which satisfies the given equation
c) an ordered pair, respective value when substituted for x and y in the given equation
satisfies it.
d) Sum of the values of the ordered pair which satisfies the given the equation
4. One of the solutions of the linear equation 3x – 4y + 6 = 0 is
a) (3, 2) b) (3, –2) c) (2, 3) d) (–2, –3)
5. The ordered pair (m, n) satisfies the equation ax + by + c = 0 if
a) c = 0 b) an + bm = 0 c) am + bm + c = 0 d) am + bm – c = 0
6. The equation of x–axis is
a) a = 0 b) y = 0 c) x = 0 d) y = k
7. From the graph of a line, we can find the coordinates of
a) only one point lying on the line
b) only two points lying on the line
c) only finite number of points lying on the line
d) infinite number of points lying on the line
8. A linear equation in two variables has
a) no solution b) only one solution
c) only two solution d) in finitely many solutions
9. An equation of the form ax + by + c= 0 represents a linear equation in two variables, if
a) a = 0, b ≠ 0 b) a ≠ 0, b = 0 c) a = 0, b = 0 d) a ≠ 0, b ≠ 0
10. The graph of the linear equation in two variables y = mx is
a) a line parallel to x–axis b) a line parallel to y–axis
c) a line passing through the origin d) not a straight line

Answer 1

Answer:

b) ax + bx = c

c) a general straight line

c) an ordered pair, respective value when substituted for x and y in the given equation  satisfies it

c) (2, 3)

c) am + bm + c = 0

d) infinite number of points lying on the line

d) in finitely many solutions

d) a ≠ 0, b ≠ 0

c) a line passing through the origin