Chapter 5 Final Review Big Ideas Math 6

Front

What is a letter that represents a number called?

Back

A variable.

Front

In the expression 9m + 3n + 4, how is the number 9 best described?

Back

It is a coefficient.

Front

What is the value of the expression 2a^2 + c^2 when a = 3, b = 4, and c = 5?

Back

43.

Front

In the expression 4x - 12, what is 4x referred to as?

Back

A term.

Front

What is the constant in the expression 4y + 2 + x?

Back

2.

Front

Define a variable in mathematical terms.

Back

A symbol used to represent an unknown number.

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor that multiplies a variable.

Front

What is the difference between a term and a constant in an expression?

Back

A term can contain variables and coefficients, while a constant is a fixed value without variables.

Front

How do you evaluate an expression with given variable values?

Back

Substitute the values of the variables into the expression and perform the arithmetic operations.

Front

What is the role of parentheses in mathematical expressions?

Back

They indicate the order of operations, showing which calculations should be performed first.