Question

One equation of a pair of dependent linear equations is 2x + 5y = 3. Then the second equation is (a)4x + 5y = 6 (b) 4x + 10y + 6 =0 (c) 6x + 15y - 9 =0 (d)6x - 15y = 9​

Answer 1

Answer:

parallel lines

Step-by-step explanation:

The equation can be written as

2x+5y−3=0 and 6x+15y−12=0

Here a

1

=2,b

1

=5,c

1

=−3 and a

2

=6,b

2

=15,c

2

=−12

a

2

a

1

=

6

2

=

3

1

b

2

b

1

=

15

5

=

3

1

c

2

c

1

=

−12

−3

=

4

1

∴

a

2

a

1

=

b

2

b

1



=

c

2

c

1

Hence the given pair of linear equation represents parallel line.

Answer 2

Answer:

option (d) 6x - 15y = 9

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