Module 8 Review

Front

Identify the coefficients in the expression 7p^3 + r + 9.

Back

The coefficients are 7 and 1.

Front

Evaluate the expression (60 - 6) * (1/3)^3 + 27 ÷ 3.

Back

The result is 11.

Front

Identify the variables in the expression 12 + 3p - 9 - 7r + 1.

Back

The variables are p and r.

Front

What is the expression for the product of n and 4 plus 7?

Back

The expression is 4n + 7.

Front

What value for p makes the expressions 9p - 5 and 5(3 + p) equivalent?

Back

The value of p is 5.

Front

Define a coefficient in algebra.

Back

A coefficient is a numerical factor in a term of an algebraic expression.

Front

What is a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations.