State whether 7- va is rational or irrational Explain your answer.

Answer :

Question:

Solution.

Notice that √2 is an irrational number and 7 is a rational number. Now, a rational number minus an irrational number will result in an irrational number. Then, we can conclude that the number

[tex]7-\sqrt[]{2}[/tex]

is an irrational number.

View image ZEMIRAB384783