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Laws of indices and surds
Angles of elevation and depression
ProbabilityExperimental probability | = The frequency of the outcome / total number of trials | Relative frequancy | frequency of the outcome / total number of trials |
Financial mathsDividing annual salary | Weekly = 52 | Fortnightly = 26 | Monthly = 12 | Calculating percentage of $ | 0.% * $ | EG. 12% of 150 = 0.12 X 150 |
| | AlgebraCoefficient | The number in front | 5y, y's coefficient is 5 | Terms | A term is separated by a + or - sign | 5x-3y+2 there are 3 terms there | Constant | Constant is the single number which doesn't have any letters behind it |
Linear and Non-linear graphsGradient | Gradient = M | M=Rise divided by run | Gradient through two points | M = y2 - y1 / x2 - x1 | Gradient intercept method | Y=mx + c | Find gradient + x and y intercept | x and y intercept method | To solve X, Y = 0 | To solve Y, X = 0, Then plot the x and y intercepts | Intercepts | Y = C | X = A |
| | MeasurementTSA | Area of all sides added up | Volume | Area X Height | SA of cylinder | SA = 2πr² + 2πrh | SA of sphere and volume | A=4πr² | V=4/3πr³ (volume) | TSA of Cone | πrl+πr² |
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