ALGEBRA 1 VOCABULARY BUILDER: CHAPTER 1
Name ________________________________________________ Block ___________________________
Term
Definition /
Description
Example
What is the variable in this expression? 2x + 5
Variable
What is the constant in this expression? 2x + 5
Constant
Numerical Expression
Algebraic Expression
Evaluate the algebraic expression:-x2 + 5 for x = 2
Evaluate
What is the opposite of 5? Opposite of -9?
Opposites
What is the additive inverse of -3? of 7?
Additive Inverse
Reciprocals
What is the reciprocal of
3
4
? of -6?
2
Multiplicative Inverse
What is the mulitipicative inverse of - 3? of 5?
Identify the power in this expression: 2x3
Power
Identify the base in this expression: 2x3
Base
Absolute Value
Evaluate: |−3 − 9|. Evaluate: |−3| − |9|.
Square Root
Name the first 16 perfect squares (from memory):
Perfect Square
Name the terms: 2x2 + 7 + 5x – 4x2
Terms
Name the like terms: 2x2 + 7 + 5x – 4x2
Like Terms
What is the coefficient in this expression: 2x + 5
Coefficient
Quadrants
Name the quadrant the following points are in:
(-3,2)
(-1,-3)
(0,4)
A synonym for ‘inputs’ is…
Inputs
A synonym for ‘outputs’ is…
Outputs
Real Number Set — Define in your own words.
Then, answer the question listed.
Natural Numbers:
A natural number that is not an integer:
Whole Numbers :
A whole number that is not a natural number:
Integers:
An integer that is not a whole number:
Rational Numbers:
A rational number that is not an integer, rational, or
irrational number:
Irrational Numbers:
An irrational number that is not a Real Number: