Rational and Irrational Numbers Quick Check
Math 8 Q1 (Pre-Algebra) / The Number System
Identify which condition is necessary for a number to be rational.(1 point)
Responses
It must be written as a fraction.
It must not be an endless decimal.
It must not be negative.
It must be able to be expressed as an integer divided by a nonzero integer.
It must be written as a fraction.
Rational and Irrational Numbers Quick Check
Math 8 Q1 (Pre-Algebra) / The Number System
Which of the following is irrational?(1 point)
Responses
3.6363636363636363..
3√4
Start Fraction Start Root 3 End Root over 4 End Fraction
52.781654292
−7837
3√4
Rational and Irrational Numbers Quick Check
Math 8 Q1 (Pre-Algebra) / The Number System
Estimate the value of 6×2√. Which of the following choices is the best estimate?(1 point)
Responses
7.1
8.4
9.8
6.4
The best estimate for 6×2√ is 8.4.
Rational and Irrational Numbers Quick Check
Math 8 Q1 (Pre-Algebra) / The Number System
the best estimate for 6x√2
7.1
8.4
9.8
6.4
The best estimate for 6x√2 is 8.4.
Rational and Irrational Numbers Quick Check
Math 8 Q1 (Pre-Algebra) / The Number System
Which statement is true about the square root of 28?(1 point)
Responses
It is between 5 and 6, probably closer to 6.
It is between 5 and 6, probably closer to 5.
It is between 6 and 7, probably closer to 6.
It is between 4 and 5, probably closer to 5.