Question

Which system of equations has exactly one solution?

Answer 1

Answer:

2x+y=3

5x-y=11 has unique solution..

As it is consistent lines they have unique solution.

condition:

a1/a2 is not equal to b1/b2

Hence the answer is option A....

Hope it helps uh

thank you☺

Answer 2

Answer:

its 3rd option.

yes the solutions are equal.

substitute 0 in place of x n y u get the answer.

3(0)+y=-1

y=-1

3x-y=-1

x=-1/3

6x+2y=-2

6(0)+2y=-2

y=-1

6x+2(0)=-2

x=-1/3

Hope this helps u....