7th Grade - Topic 5 Review

Front

What is the expression for Hal's pay per hour after a 2% raise if he earns n dollars per hour?

Back

1.02n

Front

What is a term that contains only a number called?

Back

constant

Front

Factor the expression: 63a − 42b

Back

21(3a - 2b)

Front

What is the number part of a term that contains a variable called?

Back

coefficient

Front

Simplify the expression: -6 + (-2d) + (-4d) + 3d

Back

-3d - 6

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is a coefficient?

Back

The number that multiplies a variable in an algebraic expression.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is a constant in an algebraic expression?

Back

A fixed value that does not change.

Front

What is the process of factoring an expression?

Back

To express it as a product of its factors.