I'll give medal to any one who answers the question first.

Which statement is true about the difference square root of 7 - square root of 28?

1. It is rational and equal to -2.

2. It is rational and equal to 0.

3. It is irrational and equal to -2square root of 7.

4. It is irrational and equal to square root of 7.

Question

I'll give medal to any one who answers the question first.

Which statement is true about the difference square root of 7 - square root of 28?

1. It is rational and equal to -2.

2. It is rational and equal to 0.

3. It is irrational and equal to -2square root of 7.

4.  It is irrational and equal to square root of 7.

anonymous · Answer

|dw:1386084235173:dw|
You made a typo somewhere. Are you sure answer 4 isn't MINUS square root of 7 ?