chapter 1 Flashcards
horizontal axis
x - axis
vertical axis
y - axis
unrelated
Two items that are not associated.
Hair color is unrelated to shoe size.
Directly related or directly proportional
Two items that are associated such that when one item increases, the other increases.
Clothing size is directly proportional to one’s weight.
Related or proportional
Two items that are associated or affiliated. Relationship between items does not have to be specified.
Weight is related to dieting.
Santa is related to Crhistmas.
Inversely related, or inversely proportional
Two items are associated such that when one item increases, the other decreases.
Grades in school are inversely proportional to partying time.
Reciprocal relationship
When two numbers with a reciprocal relationship are multiplied together, the result is one. This is a special form of inverse relationship. Reciprocal numbers are inverse because when one increases, the other decreases.
Increase by a factor
multiply by that number
Decrease by a factor
divide by that number
Powers of Ten
A number in scientific notation form with a positive exponent has a value greater than 10.
A number in scientific notation form with a negative exponent has a value of less than 1.
A number in scientific notation form with an exponent of zero has a value between 1 to 10.
10^9
giga
G
billion
10^6
mega
M
million
10^3
kilo
k
thousand
10^2
hecto
h
hundred
10^1
deca
da
ten
