Question

Check whether the given system of linear equations consistent or inconsistent by graphi method 4x -6 y = 15
2x + 5y = 20​

Answer 1

Answer:

2*5 + 5*2 = 20

Step-by-step explanation:

consistent

Answer 2

Answer:

Step-by-step explanation:

2x + y - 6 = 0 and 4x - 2y -4 = 0

a

2

​

a

1

​

​

=

4

2

​

=

2

1

​

,

b

2

​

b

1

​

​

=

−2

1

​

c

2

​

c

1

​

​

=

−4

−6

​

=

2

3

​

∴

a

2

​

a

1

​

=

b

2

b

1

​

∴ the linear equation are consistent

∴ They have infinity solutions.

2x + y = 6 4x - 2y = 4

x y (x ,y) x y (x,y)

3 0 (0,6) 0 2 (0,-2)