Identify which condition is necessary for a number to be rational.

Question

(1 point)
Responses

It must not be an endless decimal.
It must not be an endless decimal.

It must be written as a fraction.
It must be written as a fraction.

It must be able to be expressed an as integer divided by a nonzero integer.
It must be able to be expressed an as integer divided by a nonzero integer.

It must not be negative.
It must not be negative.

Answer 1

It must be written as a fraction.

Answer 2

Which of the following is irrational?(1 point)
Responses

3√4
the fraction with numerator square root of 3 and denominator 4

52.781654292
52.781654292

−7837
negative 7 and 8 over 37

3.6363636363636363...

Answer 3

the fraction with numerator square root of 3 and denominator 4

Answer 4

Estimate the value of 6 × 2–√
Which of the following choices is the best estimate?(1 point)
Responses

7.1
7.1

9.8
9.8

8.4
8.4

6.4

Answer 5

7.1

Answer 6

Which statement is true about the square root of 28?(1 point)

Answer 7

The square root of 28 is an irrational number.

Answer 8

Which statement is true about the square root of 28?(1 point)
Responses

It is between 5 and 6, probably closer to 5.
It is between 5 and 6, probably closer to 5.

It is between 5 and 6, probably closer to 6.
It is between 5 and 6, probably closer to 6.

It is between 6 and 7, probably closer to 6.
It is between 6 and 7, probably closer to 6.

It is between 4 and 5, probably closer to 5.
It is between 4 and 5, probably closer to 5.

Answer 9

It is between 5 and 6, probably closer to 6.

Answer 10

Which of the following is a rational number?(1 point)
Responses

11−−√
square root of 11

15−−√
square root of 15

16−−√
square root of 16

18−−√

Answer 11

square root of 16