ACT Math
About this set
Created by:
healthnut13 on September 6, 2011
Subjects:
Description:
based on sparknotes online prep
Log in to favorite or report as inappropriate.
Order by
21 terms
Terms | Definitions |
|---|---|
 Relatively prime # | if they don't share common prime factors |
| Divisible by.... if add up numbers and they are divisible by... | 3,9 |
| Last two digits are divisible by .... | 4 |
| Its even and divisible by 3 then its divisible by... | 6 |
| No rules | 7 |
| if last three digits are divisible by .... | 8 |
| ratios | parts to parts |
| probability | chance of a particular outcome/total # of possible outcomes |
| when multiply or divide inequality by a negative then | switch sign |
| system of equation w/ infinite solutions | same line |
| inverse of exponential functions x =a^b, logaX = b | logs |
| distance formula | Pythagorean theorem, distance is hypotenuse |
| vertex of a parabola (x-coordinate) & axis of symmetry | -b/2a |
| parabola: a>0 | upward |
| parabola:a<0 | downward |
| circle | (x-h)^2 +(y-k)^2 =r^2 |
| center of circle | h,k |
| ellipse: the sum of the distances to any point is constant | foci |
| ellipse:midpoint btwn foci | center |
| Ellipse: equation | (x-h)^2/a^2 +(y-k)^2/b^2 =1 |
| period | 2pi/a |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.