Math Equations Flashcards
(36 cards)
1
Q
Distance
A
Speed x time
2
Q
Quantity
A
Rate x time
3
Q
Slope intercept formula
A
Y = Mx+B
4
Q
Slope
A
Y1-y2/x1-x2
5
Q
Distance formulas
A
- Square root
(Y1-y2)^2 + (x1-x2)^2
6
Q
Midpoint
A
(X1+x2)/2,(y1+y2)/2
7
Q
Discriminant
A
B^2-4ac
8
Q
Percent
A
Part/whole x 100
9
Q
Percent change
A
Change / original
10
Q
Mean
A
Sum of terms / number of terms
11
Q
Median
A
Middle number
12
Q
Mode
A
Most common number
13
Q
Range
A
Biggest - smallest
14
Q
Probability
A
Number of desired terms / total number of terms
15
Q
Supplementary angles
A
Add to 180
16
Q
Complementary angles
A
Add to 90
17
Q
Vertical angles
A
Are congruent
18
Q
Angles of triangles
A
Add to 180
19
Q
Area of triangle
A
1/2 x base x height
20
Q
Pythagorean theorem
A
A squared + b squared = c squared
21
Q
45:45:90
A
X:X:X square root
22
Q
30:60:90
A
X: X cubed root: 2X
23
Q
Trapezoid area
A
B1+B2/2 x H
24
Q
Area of a rectangle
A
Length x width
25
Area of a parallelogram
Base x height
26
Circle arc length
Central angle/360 x circumference
27
Circle sector area
Central angle/ 360 x area
28
Area of circle
Pie R^2
29
Circumference of circle
2 pie R
30
Diameter of circle
2R
31
Surface area of rectangular prism
2(lengthxwidth+lengthxheight+widthxheight)
32
Volume of rectangular prism
Lwh
33
Volume of right cylinder
pier^2h
34
Sin
O/H
35
Cos
A/H
36
Tan
O/A
