Can anyone help with this please

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Ineed if you could explain and give me the answer you! this needs done

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.