To Mr. Samuel Roberts (see Reprint of Educational Times, vol. x. p. 47) is due the credit of having been the first to show that a direct method of elimination properly conducted leads to the ...

The quadratic equation is a key topic in algebra. Many students find it challenging at first, but it describes many real-world situations.In physics, it shows the path of objects in motion. Engineers ...

We can calculate the gradient of a tangent to a curve by differentiating. In order to find the equation of a tangent, we: Differentiate the equation of the curve Substitute the \(x\) value into the ...

Give an example of a function with one critical point which is also an inflection point. You must provide the equation of your function. A particle moves along a line with a position function \(s(t)\) ...