Question

Which number can you add to any rational number to obtain an irrational number?

A) 3.453 has the line on top
B) square root of 16
C) 79 12/17
D)
Square root of 8

Answer 1

`D)\ √(8)=√(4\cdot2)=\sqrt4\cdot\sqrt2=2\sqrt2-is\ irrational\ number\\\\n-a\ rational\ number\\i-an\ irrational\ number\\a+i-an\ irrational\ number\\\\n+2\sqrt2\ is\ an\ irrational\ number.`