Chapter 1 Flashcards
Two items that are not associated
Unrelated
Related or unrelated: Hair color to shoe size
Unrelated
To items that are associated. The relationship between the items does not have to be specific.
Related/proportional
Related or unrelated: weight to diet
Related
Related or unrelated: santa to christmas
Related
Related or unrelated: exam scores to studying
Related
Two items that are associated such that when one item increases, the other increases.
Directly related/ proportional
Directly of inversely related: Clothing size to weight
Directly
Direct or inverse relation: Golf scores to skill
Inverse
Direct or inverse relation: grades to partying time
Inverse
When 2 numbers of a reciprocal relationship are multiplied together the result is
1
Special form of inverse relationship
Reciprocal relationship
2 and 1/2 are
reciprocals
2 X 1/2 = 1
Increase by a factor means to
Multiply by that number
Decrease by a factor means to
Divide by that umber
Decrease by a factor of 3 means
1/3
Units of length
meter (m), centimeter (cm), feet
Circumference
The length of a circles border
Units of area
cm^2, ft^2
___ can be used to measure area
Elipse
Units of volume
cm^3, ft^3
___ is not a unit
Percent
Equation for BMI
Mass in kg/(height in m)^2
1kg > lbs
2.205 lbs
1m > ft
3.281
Underweight
Normal weight
Overweight
Obesity
<18.5
18.5-24.9
25-29.930 or greater
Scientific notation for 9,000,000
9x10^6
A # written in scientific notation with a positive exponent has a value __
Greater than 10
A # written in scientific notation with a negative exponent has a value __
Less than 1
A # written in scientific notation with a exponent of zero has a value __
between 1 and 10