Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
Commutative Property (+) |
a+b=b+a
You can add terms in any order and the answer is the same. |
|
|
Commutative Property (*) |
a*b=b*a
You can multiply terms in any order and the answer is the same. |
|
|
Associative Property (+) |
a + (b + c) = (a + b) + c
When adding 3 or more terms, you can move the parentheses and the answer is the same. |
|
|
Associative Property (*) |
a(bc) = (ab)c
When multiplying 3 or more terms, you can move the parentheses and the answer is the same. |
|
|
Identity Property (+) |
a + 0 = 1
Any number plus 0 equals that same number. |
|
|
Identity Property (*) |
a * 1 = a
Any number times 1 equals that same number. |
|
|
Inverse Property (+) |
a + (-a) = 0
Any number plus its opposite equals zero. |
|
|
Inverse Property (*) |
a * (1/a) = 1
Any number times its reciprocal equals 1. |
|
|
How to find the MEAN of a set of data |
Add all of the numbers and divide by how many numbers there are. |
|
|
How to find the MEDIAN of a set of data |
Order the numbers from least to greatest, then find the middle. (If 2 numbers are in the middle, add them together and divide by 2.) |
|
|
How to find the MODE of a set of data
|
Find the number (or numbers) that occurs most often. |
|
|
Formula for the Circumference of a Circle |
C = Πd
(cherry pie delicious) |
|
|
Formula for the Area of a Circle |
A = Πr²
(apple pies are too!) |
|
|
Formula to find the surface area of any figure |
S = area of bases of figure + the area of the lateral faces. (6 sides)
Example: Surface area of rectangular prism: S = 2lw + 2lw + 2wh |
|
|
How do you find the probability of ONE event happening? |
the number of times an event occurs the number of possibilities |
|
|
How do you find the probability of TWO events happening? |
The probability of Event #1 * The probability of Event #2. |
