Expressions can contain (check all that apply)
variables
operation symbols
equals sign
greater than sign
numbers
lesson than sign
grouping symbols
- Variables
- Operation symbols
- Equals sign
- Greater than sign
- Numbers
- Less than sign
- Grouping symbols
Expressions can contain the following:
- Variables: These are used to represent unknown or changing quantities.
- Operation symbols: These include arithmetic operations such as addition, subtraction, multiplication, and division.
- Equals sign: This is used to indicate that two expressions are equal.
- Greater than sign: Used to compare two quantities and indicate that the value on the left side is greater than the value on the right side.
- Numbers: These are used to represent specific quantities.
- Less than sign: Used to compare two quantities and indicate that the value on the left side is less than the value on the right side.
- Grouping symbols: These include parentheses, brackets, and braces, and they are used to group parts of an expression together.
Expressions can contain all of the following options:
1. Variables: A variable is a symbol that represents an unknown quantity. For example, in the expression "5x", x is a variable.
2. Operation symbols: These are symbols that represent mathematical operations such as addition (+), subtraction (-), multiplication (*), and division (/).
3. Equals sign: The equals sign (=) is used to show that two expressions are equal. It is commonly used in equations.
4. Greater than sign: The greater than sign (>) is used to compare two values and determine if one is greater than the other. It is often used in inequalities.
5. Numbers: Numbers are constants that can be used in expressions. They can be integers (whole numbers), decimals, or fractions.
6. Less than sign: The less than sign (<) is used to compare two values and determine if one is less than the other. It is also commonly used in inequalities.
7. Grouping symbols: Grouping symbols, such as parentheses (), brackets [], or braces {}, are used to indicate the order of operations in an expression. They help to make the meaning of an expression clear and can affect the result of a calculation.
To create expressions, you can combine these elements in various ways. Remember to follow the rules and conventions of mathematical notation to ensure that your expression is clear and unambiguous.