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Math 119 Unit 1 Flash Cards
math 119 utk unit 1 test prep flash cards
56
Mathematics
Undergraduate 1
09/12/2010

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Term
Associative Property
Definition
If the () thats okay
Term
Distributive Property
Definition
Distribute
Term
Additive Identity Property
Definition
anything + 0 is additive propety
Term
Multiplicative Identity Property
Definition
a times 1=1
Term
Additive Inverse Property
Definition
a+(-a)=0
Term
Multiplicative Inverse Property
Definition
a times 1/a=1
Term
Dividing Fractions
Definition
keep it, flip it, times is
Term
Multiplying Fractions
Definition
Multiply across
Term
+ or - w/ unlike denominators
Definition
get a common denominator and + or - across
Term
+ or - with common denominators
Definition
+ or - across
Term
Natural Numbers
Definition
1,2,3...
Term
Whole Numbers
Definition
0,1,2,3...
Term
Integers Numbers
Definition
-2,-1,0,1,2...
Term
Rational Numbers
Definition
-1/4,2/4,3/4...
Term
Terminating Decimals
Definition
-1.2,.27...
Term
Irrational Numbers
Definition
-pie, square root of 2 and 3, e...
Term
Commutative Property
Definition
Order changes and thats okay
Term
Anything divided by 0 is what?
Definition
Undefined
Term
Profit Function
Definition
Profit= Revenue-Cost
Term
Process of writing a polynomial as a product is called what?
Definition
Factoring
Term
If a polynomial cannot be factored using coefficients, then it is what or what?
Definition
prime or irreducible over the integers
Term
A polynomial is completely factored when....
Definition
each of its factors is prime.
Term
The point 0 on the real number line is what?
Definition
origin
Term
Real numbers are represented graphically on what?
Definition
Real number line
Term
The numerical factor of a variable term is the _____ of the variable term
Definition
coefficient
Term
When an algebraic expression is evaluated, what principle is used?
Definition
substitution
Term
Scientific notation
Definition
359,000,000,000,000,000,000=3.59x10^20
Term
Radical to Exponential Form
Example: Square root of 3= what?
Definition
3^1/2
Term
FOIL means...
Definition
First,Outer,Inner, and last term
Term
A polynomial of degree 0 looks like..
Definition
12
Term
a trinomial with leading coefficient 2/3 looks like...
Definition
2/3x^4+x^2+10
Term
A third degree polynomial with leading coefficient -2
Definition
-2x^3+4x^2-3x+20
Term
Sometimes polynomials with more than three terms can be factored by a method called what?
Definition
factoring by grouping
Term
What is the GCF of 90, and 300
Definition
30
Term
Domain
Definition
the set of real numbers for which an algebraic expression is defined is domain.
Term
Two algebraic expressions are equivalent if they have what?
Definition
same domain, and yield the same values for all numbers in their domain
Term
infinity has either [] or ()
Definition
()
Term
negative to positive infinity is bounded or unbounded?
Definition
unbounded
Term
-4 to 5 is bounded or unbounded?
Definition
bounded
Term
Give verbal description of each interval.
(-1,0)
Definition
This interval consists of all real numbers that are greater than -1 and less than 0
Term
Foil (2x-4)(x+5)
Definition
=2x^2+6x-20
Term
4x+x^2=x^2+4x is what property?
Definition
Commutative Property of Addition
Term
Foil (2x-4)(x+5)
Definition
=2x^2+6x-20
Term
Make x^-1 a positive exponent.
Definition
1/x
Term
Square root of 36 is...
Definition
6
Term
- square root of 36 is what?
Definition
-6
Term
square root of 8 times square root of 2=
Definition
4
Term
square root of 8 times square root of 2=
Definition
4
Term
square root of 8 times square root of 2=
Definition
4
Term
Rationalize the denominator of each expression:
2/3square root of 5
Definition
2 3square root of 25/5
Term
Rules of signs:
Definition
-a/b=-a/b=a/-b and -a/-b=a/b
Term
9 is a what?
Definition
real number
Term
e is what
Definition
irrational
Term
4/5 is what
Definition
rational
Term
(a,b) is open or closed?
Definition
open
Term
[a,b] is open or closed?
Definition
closed
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