Operations on Rational and Irrational Numbers Answers
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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.2
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Which statement is true about the sum of two rational numbers?
A
It can always be written as a fraction.B
It can never be written as a fraction.C
It can always be written as a repeating decimal.D
It can never be written a terminating decimal.3
The Pythagorean theorem states that the sum of the squares of the legs of a right triangle is equal to the square of the hypotenuse by the formula a2 + b2 = c2.If a is a rational number and b is a rational number, why could c be an irrational number?
A
The square of rational numbers is irrational, and sum of two irrational numbers is irrational.B
The product of two rational numbers is rational, and the sum of two rational numbers is irrational.C
The left side of the equation will result in a rational number, which is a perfect square.D
The left side of the equation will result in a rational number, which could be a non-perfect square.4
Which of the following is irrational?
A
Option
B
Option
C
Option
D
Option
5
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.6
The sum of two rational numbers will always be
A
an irrational number.B
an integer.C
a rational number.D
a whole number.7
Which of the following is rational?
A
Option
B
Option
C
Option
D
Option
8
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.9
How do you know that the sum of and is rational?
A
The sum is a terminating and a repeating decimal.B
The sum is a non-terminating and a non-repeating decimal.C
The sum is a fraction.D
The sum is an integer.10
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.Did you find these answers helpful?
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