Let A be a rational number and B be an irrational number. which of the following are true statements?

A.) the sum of a and b is never rational.

This is a true statement. Since an irrational umber has a decimal part that is infinite and non-periodical, when you add a rational number to an irrational number, the result will have the same infinite non periodical decimal part, so the new number will be irrational as well.

B.) The product of a and b is rational

This one is false. Zero is a rational number, and when you multiply an irrational number by zero, the result is always zero.

C.) b^2 is sometimes rational

This one is true. When you square an irrational number that comes from a square root like , you will end with a rational number: , but, if you square rationals from different roots than square root like , you will end with an irrational number: . 

D.) a^2 is always rational

This one is false. If you square a rational number, you will always end with another rational number.

E.) square root of a is never rational

This one is false. The square root of perfect squares are always rational numbers: , ,...

F.) square root of b is never rational

This one is true. Since the square root of any non-perfect square number is irrational, and all the irrational numbers are non-perfect squares, the square root of an irrational number is always irrational.

We can tell that given that a is a rational number and b be an irrational number, A, C, D, and F are true statements.

Step-by-step explanation:

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