Question

Which of these numbers is classified as both real and rational?
(1 point)

the square root 17

the square root 23

the square root 9

the square root 2

Answer 1

Which statement is false?
(1 point)

The number zero is a rational number.

Some irrational numbers are also rational numbers.

Every irrational number is a real number.

Every integer is a rational number.

Answer 2

Is the product of the square root of 2 and the square root of 8 rational, irrational, or neither?
(1 point)

rational

irrational

neither

Answer 3

Alex received a statement from his bank that listed his checking account total balance as negative $42.50. What does this number mean?

(1 point)

The bank owes Alex $42.50.

Alex wrote checks for $42.50 more than the amount he had in his checking account.

Alex is still able to write checks up to a total of $42.50.

The bank deleted $42.50 from Alex’s checking account.

Answer 4

The number that is classified as both real and rational is the square root of 9, because it equals 3, which is both a real number and a rational number.

Answer 5

The statement that is false is: Some irrational numbers are also rational numbers.

Answer 6

The product of the square root of 2 and the square root of 8 is rational.

Answer 7

The statement means that Alex wrote checks for $42.50 more than the amount he had in his checking account.