Expressions Review 24-25

Flashcard
•
Mathematics
•
7th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an algebraic expression?
Back
An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.
2.
FLASHCARD QUESTION
Front
What does it mean to simplify an expression?
Back
To simplify an expression means to combine like terms and perform any operations to make the expression as concise as possible.
3.
FLASHCARD QUESTION
Front
What is the distributive property?
Back
The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by each term inside a parentheses.
4.
FLASHCARD QUESTION
Front
How do you combine like terms?
Back
You combine like terms by adding or subtracting the coefficients of terms that have the same variable raised to the same power.
5.
FLASHCARD QUESTION
Front
What is a coefficient in an algebraic expression?
Back
A coefficient is a numerical factor in a term of an algebraic expression. For example, in 4x, 4 is the coefficient.
6.
FLASHCARD QUESTION
Front
What is a variable in an algebraic expression?
Back
A variable is a symbol, often a letter, that represents an unknown value in an expression or equation.
7.
FLASHCARD QUESTION
Front
What is the perimeter of a rectangle?
Back
The perimeter of a rectangle is calculated by the formula P = 2(length + width).
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