News

Solving equations is a core skill in math class — it helps us find maximum profits, minimum distances, points of intersection, and much more. ... Cubic graphs have “point symmetry,” which means ...
The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...
Learn and revise how to solve quadratic equations by factorising, completing the square and using the quadratic formula with Bitesize GCSE Maths Eduqas.
Other graphs - OCR Cubic graphs The most commonly occurring graphs are quadratic, cubic, reciprocal, exponential and circle graphs. Their equations can be used to plot their shape.
Using the Graphing Calculator app, you can save equations and graph them. After you open the Graphing Calculator app, click the equations button and type in your equation using the custom keyboard.
In the graph of a cubic polynomial like x 3 + 1, one end always goes off to negative infinity. So cubics can never be nonnegative everywhere or a sum of squares. But Ahmadi and Zhang worked out a way ...
White House economic adviser Kevin Hassett created a baffling 'cubic model' showing coronavirus deaths would hit 0 by May 15. It turns out he used a basic Excel function for his controversial ...