Evaluating Algebraic Expressions

Front

Evaluate the expression when x = 7 and y = 4: xy - 4(2)

Back

20

Front

Evaluate the expression when x = 3: 2x² - 5

Back

13

Front

What is the second step in this problem: (3 + 4) 9 + 3 = ?

Back

multiplication

Front

What is the first step in solving this problem: 12 ÷ 6 (3) + 8 ?

Back

division

Front

Evaluate the expression 2x + 3 + x² for x = 4

Back

27

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is the order of operations?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is a variable in algebra?

Back

A symbol (usually a letter) that represents an unknown value.

Front

What is a coefficient?

Back

A numerical factor in a term of an algebraic expression.