When both variables are subject to error, a straight line may be fitted by minimizing the sum of squared distances of the observed points to the line. Approximate distributions of the slope of this ...
An animated guide to solving simultaneous equations. Examples are used to show how to get rid of one unknown term to find the other. Use as an introduction or sum up to lessons on simultaneous ...
For example, the simultaneous equations \(3a + 2b = 17\) and \(4a - b = 30\) have no common coefficient as the coefficients of \(a\) are 3 and 4, and the coefficients of \(b\) are 2 and -1. Remember ...
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