Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables (like x or y), and operations (like addition, subtraction, multiplication, and division).

Front

Evaluate the expression: 6 + 7b - 3a if a = 2 and b = 8.

Back

56

Front

What is the value of w in the expression: 2w + 5 = 23?

Back

w = 9

Front

Evaluate the expression: a^2 - b^2 if a = 4 and b = 2.

Back

12

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

Evaluate the expression: 6c - 1 + 5c when c = 2.

Back

21

Front

What is a variable in algebra?

Back

A variable is a symbol (often a letter) that represents one or more numbers.

Front

Evaluate the expression: \frac{9x^2}{a} for a = 9 and x = 3.

Back

9

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number that is multiplied by a variable in an expression.