Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols (like +, -, *, /).

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown number.

Front

Back

9

Front

What does it mean to evaluate an expression?

Back

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

Front

Evaluate the expression 2x + 3 + x^2 for x = 4.

Back

27

Front

Identify the variables in the expression 5p + 4h - 2.

Back

p, h

Front

What is the degree of the polynomial 3x^2 + 2x + 1?

Back

The degree is 2, which is the highest exponent of the variable.

Front

What is a coefficient in an algebraic expression?

Back

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

Front

Back

27

Front

What is the difference between an expression and an equation?

Back

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