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Assignment 1: Numbers and Operations Flashcards | StudBud
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Assignment 1: Numbers and Operations
Assignment 1: Numbers and Operations
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1
What does the symbol ≤ mean in inequality notation?
Greater than or equal to
Less than
Greater than
Less than or equal to
2
What are Whole Numbers (W)?
All negative whole numbers.
Natural numbers plus zero.
All positive numbers including fractions.
The set of integers.
3
What are Integers (Z)?
All positive and negative whole numbers, including zero.
All negative whole numbers.
All positive whole numbers.
The set of rational numbers only.
4
What are Irrational Numbers?
Numbers that are the result of multiplying integers.
Whole numbers greater than zero.
Numbers that can be written as fractions.
Numbers with non repeating non terminating decimals that cant be fractions.
5
What does the Distributive Property state?
Addition distributes over subtraction.
Addition distributes over multiplication.
Division distributes over subtraction.
Multiplication distributes over addition (or subtraction).
6
What is Set Builder Notation?
A method to list elements one by one.
A method that uses only symbols and no variables
A method that defines a set using a rule or condition for its elements
A method to create equations from sets.
7
What is the Absolute Value of a number?
The value of the number as a negative.
The distance of a number from zero on the number line, always non-negative.
The square root of the number.
The opposite of the number.
8
How do you evaluate the expression 3x + 2 for x = 4?
Substitute 4 for x and solve the expression
Substitute 4 for x and add 3 and 2.
Multiply 3 by 4 and subtract 2.
Substitute 4 for x and multiply 3 by 2.
9
What does PEMDAS stand for?
Product, Exponent, Multiply, Divide, Add, Subtract.
Parentheses, Expressions, Multiplication, Addition, Subtraction.
Parentheses, Exponents, Multiplication + Division, Addition + Subtraction.
Parentheses, Exponent, Multiply, Divide, Addition, Subtraction.
10
What is the Roster Method for representing sets?
A set is represented by a single number.
A set is represented by using numbers and symbols in a table.
A set is represented by listing all its elements between curly braces { }.
A set is represented using only its first element.
11
What are Rational Numbers (Q)?
Numbers that can be written as fractions of two integers.
Numbers with a non-repeating, non-terminating decimal.
Numbers that cannot be written as fractions.
Numbers that are integers only.
12
How is exponential notation written?
Using the division symbol and a fraction.
Using a base and an exponent to represent repeated multiplication.
Using a plus sign between numbers.
With a square root symbol and a number.
13
What is an example of an inequality?
x = 5
x × 5 = 10
x + 5 = 10
x > 5
14
What is an Equation?
A list of numbers and variables.
A statement with a question mark.
A statement that two expressions are equal, usually containing a variable.
A formula that never changes.
15
What is the first step in solving the expression 3 + 2 × (5 − 3)² using PEMDAS?
Subtract 3 from 5.
Multiply 2 and 5.
Add 3 and 2.
Solve the exponentiation.
16
What are Natural Numbers (N)?
All whole numbers including zero.
The set of fractions that can be expressed as decimals.
The set of all integers, both positive and negative.
The set of positive whole numbers starting from 1.
17
How do you evaluate the exponential expression 3²?
) Divide 3 by 2.
Add 3 and 2.
Multiply 3 by itself (3 × 3).
Multiply 3 by 2.
18
What is a Variable in mathematics?
A formula that always stays the same.
A symbol that represents an unknown value or one that can change.
A fixed number that cannot change.
A type of equation.
19
What are Real Numbers (R)?
Numbers that cannot be written as decimals.
All numbers on the number line, including rational and irrational numbers.
Only whole numbers and integers.
Only irrational numbers.
20
What is an Expression in math?
An equation that describes a relationship.
A mathematical statement with an equal sign.
A combination of numbers, variables, and operations, without an equal sign.
A statement of inequalities.
