| A | B |
|---|
| complex numbers | have the form a+bi where a and b are real and i=square root of -1 |
| Real numbers | have points on the number line |
| imaginary numbers | square roots of a negitive number. no points on the number line |
| negitive numbers | numbers less than zero |
| zero | neither positive or negitive |
| positive numbers | numbers greater than zero |
| Rational numbers | can be expressed exactly as the ratio of two numbers |
| irrational numbers | cannot be expressed excatly as a ratioof two integers, but are real numbers |
| integer | whole numbers and there opposites |
| nonintergers | fractions |
| raticles | roots of integers |
| transcendental numbers | cannot be expressed as roots or integers |
| natural numbers | positive integers or counting numbers |
| digits | numbers from which the numerals are made |
| even numbers | integers divisible by two |
| odd numbers | integers not divisible by 2 |
| closure | closed under addition and under multiplication |
| commutativity | addition and multiplication of real numbers you can flip them around |
| Associativity | moving parentesis |
| distributivity | multiplication distributing over addition |
| identity | x+0=x or x*1=x |
| inverses | x+(-x)=0 or x*1/x=1 |
| polynomial | many terms |
| degree of a polynomial | maximum # of variables that appear as factors in any one form |
| solving an equation | solving its solution set |
| extraneous | satisfies a transformed equation not the original |
| reflexive property | x=x |
| domain | set of values for independant variable |
| range | set of values for depandant varible |
| asympote | line that gets close to but never touches |
| relation | non function 2 values for x for one value for y |
| function | 1 value for x for one value for y |
| linear function | y=mx+b |
| y-intersept | x=0 |
| x-intersept | y=0 |
| m=slope | rise/run |
| slope formula | y2-y/x2-x=slope |
| horizontal line | y=# slope equal 0 |
| vertical line | x=# slope=none |
| point-slope form | y-y1=m(x-x1) |
| standard form | Ax+By=C |
| parallel | same slope |
| perpinicular | slope -1/m |
| system | equations or inequalities is a set of open sentences which contain the same varible |
| solution set | 2 varibles is a set of ordered pairsthat satisfied all of the open sentences |
| f(x) | y |
