Algebraic Expressions/Equations Flashcard Review

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operation symbols (like +, -, *, /). For example, 3x + 5 is an algebraic expression.

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 simple as possible.

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.

Front

Write an algebraic expression for 'a number decreased by 10 is 75.'

Back

n - 10 = 75.

Front

Simplify the expression: 7x + 4 + 19x - 3.

Back

26x + 1.

Front

Write an algebraic expression for 'a number increased by 20 is 100.'

Back

n + 20 = 100.

Front

Write an algebraic expression for '6 trees were added to a garden.'

Back

g + 6.

Front

Use the Distributive Property to simplify: 6(a + 4b - 5).

Back

6a + 24b - 30.

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown number. For example, in the expression 2x + 3, 'x' is the variable.