Question

23. If we multiply or divide both sides of a linear equation with a non-zero number, then the solu of the linear equation:
(a) changes
(b) remains the same
(c) changes in case of multiplication only (d) changes in case of division only

24. How many linear equation in x and y can be satisfied by x = 1 and y = 2?
(a) only one
(b) two
(c) infinitely many
(d) three
25. The point of the form (a, a) always lies on:
(a) x-axis
(b) y - axis
(c) on the line y = x
(d) on the x + y =0
26. The point of the form (a, -a) always lies on:
(a) x = a
(b) y = -a
(c) y = x
(d) x + y =0
27. Which of the following is not a linear equation in two variables?
(a) ax +by=c
(b) ax² +by=0
(c) 2x + 3y = 5
(d) 3x + 2y = 6
28. 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 3 quadrant ​

Answer 1

Answer:

23 changes

24 infinite ly many

25 d

26 b

Answer 2

Answer:

23. the solution of the linear equation remains the same .

24.  infinitely many linear equations

25.  the line x + y = 0.

26. idk

27. 2x^2 + 3y = 0

28. a straight line

Step-by-step explanation: