Math Formulas
Help!
|
|
||||
|---|---|---|---|---|---|
| Slope-Intercept Form | y=mx+b
m=slope
b=y-intercept
🗑
|
||||
| Area of a Triangle | 1/2 bh
🗑
|
||||
| Area of a Square or Rectangle | l*w
🗑
|
||||
| Area of a Parallelogram | b*h
🗑
|
||||
| Area of a Trapezoid | 1/2 (a+b)h
a=base
b=top
h=height
🗑
|
||||
| Interior Angle Sum of a Triangle | 180
🗑
|
||||
| Interior Angle Sum of Quadrilaterals | 360
🗑
|
||||
| Interior Angle Sum of Polygons | (n-2)180
n=number of sides
🗑
|
||||
| Number of Diagonals | n(n-3)
2
🗑
|
||||
| Circumference of a Circle | 2 r
distance around a circle
🗑
|
||||
| Diameter | straight line drawn through the center of the circle which connects two opposite points on the circle's circumference
🗑
|
||||
| Radium | half the diameter
line from center to the circumference
🗑
|
||||
| Tangency | Circles touch at exactly one point
🗑
|
||||
| Chord | A line drawn through a circle that connects two points on the circle's circumference, but doesn't go through the center.
🗑
|
||||
| Area of a Circle |
🗑
|
||||
| 2 Right Triangle special angle ratios | 45-45-90 (isosceles right triangle)
30-60-90
🗑
|
||||
| 2 Right Triangle sides ratios | 3-4-5
5-12-13
🗑
|
||||
| Isosceles Right Triangle sides ratios | x, x, x 2
🗑
|
||||
| 30-60-90 sides ratios | x, x 3, 2x
🗑
|
||||
| Volume of Rectangular Solids | lwh
🗑
|
||||
| Surface Area of Rectangular Solids | 2lw+2lh+2wh
🗑
|
||||
| Diagonal Length of Rectangular Solids | (l +w + h )
🗑
|
||||
| Volume of Cubes | s s=side
or lwh
🗑
|
||||
| Surface Area of Cubes | 6s s=side
or 2lw+2lh+2wh
🗑
|
||||
| Diagonal Length of Cubes | s 3
🗑
|
||||
| Volume of Cylinders | r h
r=radius of circle
h=height
🗑
|
||||
| Surface Area of Cylinders | 2 r + 2 rh
r=radius of circle
h=height
🗑
|
||||
| Volume of Cones |
r=radius of circle
h=height
🗑
|
||||
| Surface Area of Cones |
r=radius of circle
l=length of side
🗑
|
||||
| Volume of Pyramids | 1/3 bh
b=area of the base
h=height
🗑
|
||||
| Volume of Spheres |
🗑
|
||||
| Center-Radius Form (Circle) | (x-h) + (y-k) =r
(h,k)=center point
r=radius
🗑
|
||||
| SOHCAHTOA | Sine: Opp/Hyp
Cosine: Ajd/Hyp
Tangent: Opp/Adj
🗑
|
||||
| Tangent in relation to Sine and Cosine | Tangent=Sine/Cosine
🗑
|
||||
| Difference of Square | a -b = (a+b)(a-b)
🗑
|
||||
| Possible Combinations of Events | # Element A * # Element B * # Element C . . .
🗑
|
||||
| Probability | # of desired outcomes
#of total possible outcomes
🗑
|
||||
| Probability of 2, mutually exclusive, outcomes both happening | probability of A * probability of B
🗑
|
||||
| Circumference of a Circle Arc |
🗑
|
||||
| Area of a Circle Arc |
🗑
|
||||
| Arithmetic Sequence Explicit Formula |
a =nth term
a =1st term
d=common difference
🗑
|
||||
| Arithmetic Sequence Recursive Formula |
a =nth term
a =1st term
n=number of terms
d=common difference
🗑
|
||||
| Find the Intersect of two lines | Put both lines in slope-intercept form. Put them equal to each other to solve for x. Then solve for y.
🗑
|
||||
| Perpendicular Lines Slopes | are negative reciprocals
🗑
|
||||
| Parallel Line Slopes | are equal
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Lachelle
Popular ACT sets