Reg Topic 4.1-4.5

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.

Front

Simplify the expression: 2x + 1 + 7x

Back

9x + 1

Front

Simplify: 4k + 6k - 3k + 3s - s

Back

7k + 2s

Front

Simplify: 6x + 12x + 3y

Back

18x + 3y

Front

Simplify: x + 3x + 6x + x

Back

11x

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 + 2.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

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 the process of combining like terms?

Back

Combining like terms involves adding or subtracting the coefficients of like terms while keeping the variable part the same.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers. For example, x and y are variables.