Evaluating Algebraic Expressions

Front

Evaluate -2x if x = 10

Back

-20

Front

Evaluate the expression. Let g = 3 & h = 9, what is 4h + 2g + 4?

Back

46

Front

Evaluate 3r + 2e; r = 3 & e = 2

Back

13

Front

SOLVE: 2^4 - 24 ÷ 3 + 1

Back

9

Front

If x = -7, what does -2⋅x equal?

Back

14

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 in mathematics?

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, often a letter, that represents an unknown value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.