An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign ( = ). For example, $$2x + 3 = 7$$ is an equation.

Like terms are terms in an expression that have the same variable raised to the same power. For example, $$2x$$ and $$3x$$ are like terms.

What is the distributive property?

The distributive property states that $$a(b + c) = ab + ac$$ . It allows you to multiply a term by a sum or difference.

How do you combine like terms?

To combine like terms, add or subtract the coefficients of the terms that have the same variable. For example, $$2x + 3x = 5x$$ .

What is an equivalent expression?

An equivalent expression is an expression that has the same value for all values of the variable. For example, $$2(x + 3)$$ is equivalent to $$2x + 6$$ .

What is the solution to the inequality $$-2x + 3 > 7$$ ?

To solve $$-2x + 3 > 7$$ , subtract 3 from both sides to get $$-2x > 4$$ , then divide by -2 (remember to flip the inequality) to find $$x

What is the process of evaluating an expression?

Evaluating an expression involves substituting a value for the variable and performing the operations. For example, to evaluate $$2x + 3$$ for $$x = 2$$ , calculate $$2(2) + 3 = 7$$ .

What is a bar model in algebra?

A bar model is a visual representation used to illustrate mathematical concepts, such as expressions or equations, often using bars of different lengths to represent quantities.

What is the importance of understanding algebraic expressions?

Understanding algebraic expressions is crucial as they form the foundation for solving equations, inequalities, and real-world problems involving relationships between quantities.

Algebra Expressions And Equations Flashcard

Algebra Expressions and Equations Flashcard

Flashcard

•

Mathematics

•

7th Grade

•

Practice Problem

•

Hard

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FLASHCARD QUESTION

Front

What is an algebraic expression?

Back

FLASHCARD QUESTION

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What does it mean to simplify an expression?

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FLASHCARD QUESTION

Front

What is a variable in algebra?

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FLASHCARD QUESTION

Front

What is an equation?

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FLASHCARD QUESTION

Front

What is an inequality?

Back

FLASHCARD QUESTION

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How do you solve a simple equation?

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FLASHCARD QUESTION

Front

What does it mean to solve an inequality?

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