Algebraic Expressions

Front

What are variables in an algebraic expression?

Back

Variables are symbols that represent unknown values. In the expression 5p + 4h - 2, the variables are p and h.

Front

Evaluate 5y + 2 if y = 3.

Back

17

Front

Back

4

Front

Back

9

Front

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

Back

56

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes 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 the variables with given numbers.

Front

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

Back

The coefficients are 5 and 4.

Front

What is the constant in the expression 5p + 4h - 2?

Back

The constant is -2.

Front

What is the difference between a term and an expression?

Back

A term is a single mathematical entity (like 5p), while an expression is a combination of terms (like 5p + 4h - 2).