AnswersFL-1200700-Mathematics for College Algebra MISOperations on Rational and Irrational Numbers

Operations on Rational and Irrational Numbers Answers

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1
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Which of the following is rational?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
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Which number is not a rational number?

A
Option
Option A
B
Option
Option B
C
7.608
D
Option
Option D
3

Which number is irrational?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
4

The sum of two rational numbers will always be

A
an irrational number.
B
an integer.
C
a rational number.
D
a whole number.
5

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

Question illustration
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.
6

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Question illustration
A
5
B
Option
Option B
C
6
D
Option
Option D
7

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.
8

is

Question illustration
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.
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

Which of the following formulas, when evaluated using rational values for the variables, will result in an irrational number?

A
the formula for the area of a circle
B
the formula for the area of a trapezoid
C
the formula for the area of a triangle
D
the formula for the area of a rectangle

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