Lesson 19 Vocabulary

What is an inequality?

• A mathematical statement using an inequality symbol to show relationships between values

• A mathematical statement using an equality symbol to show relationships between values

• A mathematical statement using only numbers

• A mathematical statement using only addition

What are like terms?

• Terms that have different variable factors

• Terms that have the same variable factors

• Terms that have no variable factors

• Terms that are always equal

What does substitution of an inequality mean?

• Replacing a variable with a number to make an inequality false

• Replacing a variable with a number to make an inequality true

• Replacing a number with a variable to make an inequality true

• Replacing a number with a variable to make an inequality false

What is an unknown in mathematics?

• A known value in a problem

• A value you need to find to solve a problem

• A value that is always zero

• A value that is always one

What is a variable?

• A letter that represents a known number

• A letter that represents an unknown number

• A number that represents a letter

• A symbol that represents a known number

What does it mean to consider something?

• To ignore it

• To think carefully

• To forget it

• To dismiss it

What does it mean to interpret something?

• To ignore the meaning

• To explain the meaning

• To hide the meaning

• To change the meaning