2 years ago

Which number is irrational? ( MCC.8NS.1) A. √10, B. -√81 c. 5/4 d. 9.12

Mathematics

1 answer:

gregori [183]2 years ago

6 0

Answer:

A. √10

Step-by-step explanation:

A rational number can be written as the ratio of two integers

A. √10

This cannot be simplified into the ratio of two integers, Square roots that cannot be simplified are irrational

B. -√81

- 9

-9/1 which is the ratio of two integers so it is rational

c. 5/4

This is the ratio of two integers so it is rational

d. 9.12

912/100

This is the ratio of two integers so it is rational

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