Question

What is an example of an irrational number?
(1 point)

square root -16

square root 25

square root -64

square root -101

Answer 1

is square root 25 irrational

Answer 2

is square root -64 irrational

Answer 3

is 25 square root irrational

Answer 4

is -101 square root irrational

Answer 5

Which statement is false?
(1 point)

Every integer is a real number.

Every real number is a rational number.

Every positive rational number has a square root.

Every integer is a rational number.

Answer 6

Square root -16

Answer 7

No, the square root of 25 is not an irrational number. The square root of 25 is 5, which is a rational number.

Answer 8

No, the square root of -64 is not an irrational number. The square root of -64 is 8i, where i represents the imaginary unit. Since it can be expressed as a multiple of the imaginary unit, it is not considered an irrational number.

Answer 9

No, the square root of 25 is not an irrational number. The square root of 25 is 5, which is a rational number.

Answer 10

Yes, the square root of -101 is an irrational number. Since -101 is a negative number, its square root cannot be expressed as a fraction or a decimal. It is non-repeating and non-terminating, making it an irrational number.