# Algebra 2 Vocab

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1. Integers
...-3,-2,-1,0,1,2,3...
2. Natural Numbers
• Counting Numbers
• 1,2,3...
3. Opposites

• 3 = -3

4. Reciprocal
• Multiplicable Inverse
• 1/2 = -2
5. Closure Property
• Of Multiplication: 1*2=2
6. Commutative Property
• Of Multiplication: 1*2=2*1
7. Associative Property
• Of Multiplication: (1*2)3=1(2*3)
8. Identity Property

• Of Multiplication: 5*1=5, 1*5=5

9. Inverse Property
• Of Multiplication: 2*1/2=1
10. Distributive Property
1(2+3)=1*2 + 1*3
11. Term
• A number, a constant, a variable, or a product.
• EX: 2, x, 2x, 2x2
12. Coefficient
• The number in front of the variable.
• EX: The 2 in 2x
13. Constant
• The number by itself.
• EX: The 5 in 2x+5
14. Like Terms
• Must have the same variables with the same power.
• EX:(7*x2*y3*z) and (8*y3*x2*z)
15. Rational Numbers
• Decimal form terminates or repeats.
• Numerator and denominator are both integers.
16. Irrational Numbers
Decimal form doesn't repeat or terminate.
17. Whole Numbers
• No decimal.
• EX: 0,1,2,3...
 Author: emilymae.sell ID: 1054 Card Set: Algebra 2 Vocab Updated: 2009-11-18 22:37:41 Tags: Chapter 1 Folders: Description: Chapter 1 Vocab Show Answers: