Question

Identify which condition is necessary for a number to be rational.(1 point)
Responses

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

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

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

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

Answer 1

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

52.781654292
52.781654292

3√4
Start Fraction Start Root 3 End Root over 4 End Fraction

−7837
negative 7 Start Fraction 8 over 37 End Fraction

3.6363636363636363...
3.6363636363636363...

Answer 2

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
6.4

Answer 3

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

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

Answer 4

Which statement is true about the integer fraction that equals the square root of 2?(1 point)
Responses

It requires a computer to find it.
It requires a computer to find it.

It does not exist.
It does not exist.

It is equal to 1.
It is equal to 1.

It involves large numbers.

Answer 5

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

Answer 6

3√4 (cube root of 4)

Answer 7

The best estimate for the value of 6×2–√ is 6.4.

Answer 8

The statement "It is between 5 and 6, probably closer to 6" is true about the square root of 28.

Answer 9

The statement "It involves large numbers" is true about the integer fraction that equals the square root of 2.