A rational number is a number that can be written as a ratio of two integers.
A irrational number is a number that cannot be written as the ratio of two integers.
√ 36 = ± 6 = ± 6 / 1
√ 36 is a rational number
√ 78 = ±√ 2 ∙ 3 ∙ 13 = ± √ 2 ∙ √ 3 ∙ √ 13
√ 2 , √ 3 and √ 13 cannot be written as the ratio of two integers so
√ 78 is a irrational number
Determine if each root is a rational or irrational number. Explain your reasoning.
A:√ 36
B.√ 78
4 answers
I don't under stand🤔
thanks🙂
is considered an irrational number. What makes this number irrational? Explain your reasoning.