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Alg 1 Unit 1
Vocabulary
Term | Definition |
---|---|
sequence | a list of numbers, and each number is called a term of the sequence. For example: 2, 4, 6, 8, … and 2, 5, 10, 17, … are sequences. |
common difference | the constant difference between consecutive terms |
expression | may consist of numbers, variables, and operations. |
variable | a list of numbers, and each number is called a term of the sequence. For example: 2, 4, 6, 8, … and 2, 5, 10, 17, … are sequences. |
equilateral | , all sides have the same measure. |
equation | a mathematical statement that shows that two expressions are equal. |
solution | is any value that makes an equation true when substituted for the variable. |
formula | is an equation written using symbols that describes the relationship between different quantities. |
literal equation | has more than one variable, and the equation can be solved for a specific variable. |
graph of an inequality | in one variable is all the points on a number line that make the inequality true. |
solutions of an inequality | in one variable is the set of numbers that make the inequality true. |
compound inequality | are two inequalities joined by the word and or by the word or. |
conjunction | Inequalities joined by the word and |
disjunction | Inequalities joined by the word or |
absolute value | is the distance from 0 to the number on a number line. |
absolute value notation | |-3| used to denote the absolute value of -3 |
absolute value inequality | is an inequality involving the absolute value of a variable expression. |
absolute value equation | is an equation involving the absolute value of a variable expression. |