Operations on Rational and Irrational Numbers Answers
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1
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The sum of two rational numbers will always be
A
an irrational number.B
an integer.C
a rational number.D
a whole number.2
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The sum or product of a non-zero rational number and an irrational number is always
A
rational.B
irrational.C
a repeating decimal.D
a fraction.3
Which of the following will result in a rational answer?
A
multiplying by a fraction
B
adding the square root of a non perfect square to a whole numberC
adding the square root of a perfect square to
D
multiplying a fraction by a repeating decimal.4
To find the area of a trapezoid, Dylan uses the formula The bases have lengths of 3.6 cm and cm. The height of the trapezoid is cm. The area of the trapezoid is irrational because
A
the values of the variables are all irrational numbers.B
the entire answer is being multiplied by a fraction.C
the height is irrational, and it is multiplied by the other rational dimensions.D
the bases have an irrational sum that will be multiplied by the rational height.5
is
A
rational because it is a terminating decimal.B
irrational because it is a repeating decimal.C
irrational because it is a non-terminating and non-repeating decimal.D
rational because it is a non-terminating and non-repeating decimal.6
Which of the following is irrational?
A
Option
B
Option
C
Option
D
Option
7
Which number is not a rational number?
A
Option
B
Option
C
7.608D
Option
8
Question text not available
A
5B
Option
C
6D
Option
9
The product of two rational numbers can always be written as
A
an irrational number.B
a whole number.C
an integer.D
a fraction.10
Below is a proof showing that the sum of a rational number and an irrational number is an irrational number.Which of the following best completes the proof?
A
it is the sum of two rational numbers.B
it is the sum of two irrational numbers.C
it represents a non-terminating, non-repeating decimal.D
its terms cannot be combined.Did you find these answers helpful?
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