Evaluating Algebraic Expressions

Front

Evaluate when x = 8: 2x + x - 10

Back

14

Front

Evaluate when a = 1, d = 2: 6a - 3d

Back

0

Front

Evaluate when x = 2 and y = 5: 2 + (12 - 5x) ⋅ 2y

Back

22

Front

Evaluate m² if m = 5

Back

25

Front

Evaluate a² - b² if a = 4 and b = 2

Back

12

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

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 a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value.

Front

What is the order of operations?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of x in the expression 3x + 5 = 20?

Back

5