Chapter 1
Chapter 2
Chapter 3
100
A symbol, usualyl a letter, that represents one or more numbers.
What is a variable?
100
Equations that have the same answer.
What are equivalent equations?
100
Any number that makes the inequality true.
What is solution of an inequality?
200
A mathematical phrase that can include numbers, variable, and operation symbols.
What is an algebraic expression?
200
Operations that undo each other.
What are inverse operations?
300
Any number that you can write in the form of a/b, where a and b are integers and b is not equal to zero.
What is a rational number?
300
An equation that is true for every value of the vairable.
What is an identity?
400
A mathematical sentence that compares the value of two expressins using an inequality symbo, such as < or >.
What is an inequality?
400
An equation involving two or more variables.
What is a literal equation?
500
A numbers distance form zero on a number line.
What is absolute value?
500
The data item that occurs the most times.
What is mode?
M
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