Number Types Quiz

Which of the following best defines a rational number?

• A. a number that cannot be expressed as a fraction of two integers

• B. A number that can be expressed as a ratio of two integers, where the denominator is not zero

• C. A number that has a non-terminating, non-repeating decimal expansion

• D. A number that can only be written as a whole number

Tags

CCSS.8.NS.A.1

Which of the following best defines an irrational number?

• A. a number that cannot be expressed as a fraction of two integers

• B. A number that can be expressed as a ratio of two integers, where the denominator is not zero

• C. A number that has a non-terminating, non-repeating decimal expansion

• D. A number that can only be written as a whole number

Tags

CCSS.8.NS.A.1

Which of the following best defines integers?

• A. a number that can be written as a fraction or decimal

• B. A number that includes zero, positive whole numbers, negative whole numbers

• C. A number with a decimal that goes on forever without repeating

• D. A number that is always greater than zero and can include fractions or decimals

A complex number (a + bi) is a number with a real component and an imaginary component. Identify the real part and imaginary part of the following complex numbers: 2 – 3i, 8 + i, 7 – 11i, -2 + 5i

Tags

CCSS.HSN.CN.A.1

Below you will see different sets of numbers. For each set of numbers, answer the questions below them.

3.5, √25, π, -7/2, √2, 5, .333..., 7i a. How many rational numbers are there? _____ b. There are _____ integers

2.75, √5, -8, √36, e, 2π/3, .7272..., -12345678/987654321

a. How many rational numbers are there?

b. There are _____ integers

7, -11/8, .5, 3π, -9, √8, -2i, 22/7 a. How many rational numbers are there? b. There are _____ integers

Let z = 5 + 9i. z is a __________ number where ________ is the real component. The modulus √106 is the distance from _______

From step 1 to step 2, the __________ property is applied.

• Associative

• Commutative

• Distributive

Tags

CCSS.1.OA.B.3

In Step 3, 36 is added to -36 because this results in 0. We call 0 the __________.

• Subtraction property of equality

• Additive identity

• Inverse

Tags

CCSS.7.NS.A.1B