"Even the +, −, =, and x signs we take for granted only came into widespread use in the 17th century. Which means that the earlier algebraists we know of … all had expressed their equations mostly in ...

If the same system is expressed as the following general-form equation, then this equation is used unchanged. EQ.y = y - a + b*x; This makes it easy to solve for ...

The quadratic formula for a quadratic equation in the form of \(ax^2 + bx + c = 0\) is \(x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\). The first solution is \(x = \frac ...

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Quite often in mathematics we want to change which letter is the subject of the formula, the method for doing this is very similar to how we solve equations. We need to isolate \({t}\) so that it is ...

If you came across an animal in the wild and wanted to learn more about it, there are a few things you might do: You might watch what it eats, poke it to see how it reacts, and even dissect it if you ...