Shared Flashcard Set

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Study for the end of year test. Formulas
41
Mathematics
9th Grade
10/26/2010

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Cards

Term
How many weeks in a year? (salary)
Definition
52.18
Term
Where does what you are dividing go?
Definition
On the top
Term
Where does what you are dividing with go?
Definition
On the bottom
Term
When can you use trigonometry?
Definition
When you have right angled tringle
Term
What is time and a half?
Definition
#x1.5
Term
What is double time?
Definition
#x2
Term
What it the Hypotenuse?
Definition
The side opposite of the right angle
Term
What is the Adjacent side?
Definition
The side right next to the angle
Term
What is the opposite side?
Definition
The side opposite to the angle
Term
How many months in a year? (Salary)
Definition
12
Term
In a Tringle ABC where the Right angle is B, what is the Hypotenuse?
Definition
AC
Term
In a Tringle ABC where the Right angle is B, what is the Adjacent Side to A?
Definition
AB
Term
In a Tringle ABC where the Right angle is B, what is the Opposite Side to A?
Definition
BC
Term
What does Sin stand for?
Definition
Sine, or Opposite over Hypotenuse
Term
What does Cos stand for
Definition
Cosine, or Adjacent over Hypotenuse
Term
What does tan stand for?
Definition
Tangent, or Opposite over Adjacent
Term
what do you need to remember for Trig?
Definition
SOHCAHTOA
Term
What is pythagoras theorem?
Definition
c²=a²+b²
Term
How many degrees are in a reveloution?
Definition
360
Term
How many minutes in one degree?
Definition
60
Term
How many seconds in a minute
Definition
60
Term
What is the symbol for degree?
Definition
°
Term
What is the symbol for Minutes?
Definition
'
Term
What is the symbol for Seconds
Definition
"
Term
What is the the Angle of Elevation
Definition
To go up, The angle we look up from
Term
What is the angle of Depression
Definition
To go down,the angle we look down from
Term
How many digits does a bearing have?
Definition
3
Term
what is a bearing also know as
Definition
a Bearing is also know as a heading
Term
Where do all bearings start from
Definition
North, or 000
Term
How do you find a mid-point
Definition
Find the averages of the x and y values e.g M(x2+x1/2) + (y2+y1/2)
Term
when you are finding the gradient you go
Definition
left to right
Term
How do you find Gradient
Definition
rise/run or (y2-y1/x2-x1)
Term
How do you find distance
Definition
d = √(x2-x1)2 + (y2-y1)2
Term
What is the graident of horizontal?
Definition
rise/ run = 0
Term
What is the graident of veritical?
Definition
Term
4/2 =
Definition
2
Term
Y intercept =
Definition
where the line/graph cuts they y axis
Term
(0,1) y intercept =
Definition
1
Term
y= 2x +3 what is the gradient?
Definition
2
Term
y= 2x +3 what is the y intercept
Definition
3
Term
what is a parrallel line
Definition
A set of lines that have the same slope or gradient
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