Expressions, Terms, Constants and Coefficients

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, represented by a number without a variable.

Front

What is a coefficient?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

How do you identify the number of terms in an expression?

Back

Count the number of distinct parts separated by '+' or '-' signs.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations (like addition, subtraction, multiplication, and division).

Front

Write an algebraic expression for '5 more than a number x'.

Back

x + 5

Front

What is the coefficient of x in the expression 4x + 7?

Back

4

Front

What is the coefficient of x^2 in the expression 2x^2 + 3x - 5?

Back

2

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value.

Front

Write an algebraic expression for 'twice a number y'.

Back

2y