Identify which condition is necessary for a number to be rational.
(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.
It must be written as a fraction.
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...
the fraction with numerator square root of 3 and denominator 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
7.1
Which statement is true about the square root of 28?(1 point)
The square root of 28 is an irrational number.
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.
It is between 5 and 6, probably closer to 6.
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−−√