Exprssions

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.

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What are like terms?

Back

Like terms are terms in an expression that have the same variable raised to the same power. For example, 3x and -9x are like terms.

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How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of the terms that are alike. For example, 3x + 5x = 8x.

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What does it mean to distribute in algebra?

Back

Distributing means to multiply a term by each term inside a set of parentheses. For example, 2(3 + 4) = 2*3 + 2*4 = 6 + 8.

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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 in a sum.

Front

Simplify the expression: 5(−2n+4)+2(n+3)

Back

-8n + 26.

Front

What is the result of combining like terms in the expression: 4x^2 - 3x + 11 - 2x?

Back

4x^2 - 5x + 11.

Front

What is the simplified form of m + 9 - 4m?

Back

-3m + 9.

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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.

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What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation. For example, x and y are variables.