Evaluating Expressions and Functions

Flashcard
•
Mathematics
•
6th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an expression in mathematics?
Back
An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.
2.
FLASHCARD QUESTION
Front
What does it mean to evaluate an expression?
Back
To evaluate an expression means to calculate its value by substituting the variables with specific numbers.
3.
FLASHCARD QUESTION
Front
What is a function in mathematics?
Back
A function is a relation that assigns exactly one output for each input from a set of inputs.
4.
FLASHCARD QUESTION
Front
How do you evaluate a function?
Back
To evaluate a function, substitute the input value into the function's formula and simplify.
5.
FLASHCARD QUESTION
Front
What is the order of operations?
Back
The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often remembered as PEMDAS.
6.
FLASHCARD QUESTION
Front
What is a variable in an expression?
Back
A variable is a symbol (usually a letter) that represents an unknown value in an expression or equation.
7.
FLASHCARD QUESTION
Front
What is the difference between an expression and an equation?
Back
An expression does not have an equality sign and represents a value, while an equation states that two expressions are equal.
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