Question

the pair of equations 3x + 5y = 3 and 9x + ky = 8 have no solution if k=?

Please answer fast i will give Brainliest

Answer 1

Answer:

The equation are

3x+5y−3=0

6x+ky−8=0

Here, a

1

=3,b

1

=5,c

1

=−3

and a

2

=6,b

2

=k,c

2

=−8

Given, the system of equation has no solution

⇒

a

2

a

1

=

b

2

b

1



=

c

2

c

1

⇒

6

3

=

k

5



=

−8

−3

⇒k=10

Answer 2

Answer:

Step-by-step explanation:

we know,

a1/a2=b1/b2but c1/c2 is not equal with a ,b.

so,3x/9x=5y/ky

1/3=5/k

then we multily,

k=15