Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the product of a number and a constant?

Back

The product is the result of multiplying the number by the constant.

Front

How do you represent the sum of a number and a constant?

Back

The sum is represented by adding the number and the constant, e.g., n + 5.

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

What is the quotient of two numbers?

Back

The quotient is the result of dividing one number by another.

Front

How do you write the expression for 'the sum of x and 10'?

Back

The expression is written as x + 10.

Front

What does '7n + 5' represent?

Back

It represents the sum of 7 times a variable n and 5.

Front

What is the value of the expression '3x + 8' when x = 2?

Back

The value is 14.

Front

How do you express 'the product of 4 and p'?

Back

It is expressed as 4p.