Is -3/7 an irrational number?

No, it is rational

Step-by-step explanation:

This is a rational number, because it can be written in the form a/b  where a and b are integers

No, It is not

Step-by-step explanation:

because an irrational is not terminating and non repeating number

21.4 i did it already for s1

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb