Terms, Constants, Variables, Coefficients

Front

What is a constant in mathematics?

Back

A constant is a fixed value that does not change. For example, in the expression 3x + 5, the number 5 is a constant.

Front

What is a variable?

Back

A variable is a symbol used to represent an unknown value. For example, in the expression 2x + 3, 'x' is a variable.

Front

What is a coefficient?

Back

A coefficient is a number that is multiplied by a variable in an expression. For example, in 4x, the number 4 is the coefficient.

Front

How many terms are in the expression 3x + 5 - 2y + 7?

Back

There are 4 terms in the expression: 3x, 5, -2y, and 7.

Front

Identify the variable in the expression 2a + 3b - 4.

Back

The variables in the expression are 'a' and 'b'.

Front

What is the coefficient of 'y' in the expression 5y - 3?

Back

The coefficient of 'y' is 5.

Front

What is the constant in the expression 6x + 2?

Back

The constant in the expression is 2.

Front

How many variables are in the expression 4a + 3b + 2c?

Back

There are 3 variables in the expression: 'a', 'b', and 'c'.

Front

What is the coefficient of 'x' in the expression 7x + 4y - 5?

Back

The coefficient of 'x' is 7.

Front

Identify the constant in the expression 8x - 3y + 10.

Back

The constant in the expression is 10.