Question

Q16. Express each [Q. No. 16-20] of the following equation in the form ax+by+c=0 and indicate the value of
ab and cin each case:
3x+5y=7
(3,5,7) b. (3,5,-7)
(-3,-5,-7)
d. (0,2,1)
Q17. X=2y, find the value a,b and c.
(1,-2,0)
b. (1,2,0)
(1,0,2) d. (2,1,0)
Q18. Y=2x , find the value of a,b and c.
(2,-1,0)
b. (1,2,0)
(2,1,0) d. None
Q19. y-3=0, find the value a,b and c.
(0,1,-3)
b. (1,0,3)
(1,3,0) d. (1,2,0)
220. X-2y-3=0, find the value of a,b and c
(1,-2,-3)
b. (1,2,3)
(1,0,2) d. (2,1,4)​

Answer 1

Answer:

Question 1:

By using variables x and y form any five linear equations in two variables.

ANSWER:

Linear equations in two variables x and y will be

x+y=12x+3y=8x−y=65x−2y=3x+2y=3