An equation is meant to be solved, that is, there are some unknowns. A formula is meant to be evaluated, that is, you replace all variables in it with values and get the value of the formula. …

May 28, 2013 · If we want an equation f(x, y) for the line, the domain of f can only be the shadow of the line on the xy plane. But any nice function f will have as a domain either all pairs (x, y), …

Dec 31, 2014 · equation：等式，方程式 英英释义： An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to …

Oct 2, 2011 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.

Jan 14, 2016 · For example x = 1 x = 1 and x = −1 x = − 1 are the solutions to the first equation. One could say that solving equation f(x) = 0 f (x) = 0 is same as finding the values of x x that …

I'm wondering if there is a symbol or notation for Round to the nearest 10th For example, the area of a circle with a radius of 45 feet, rounded to the nearest square foot, could be written as, A =...

All points on it have x=0 and y=0. Clearly it is a line with any z-allowed. You could write the equation of the axis as x2 +y2 = 0 x 2 + y 2 = 0, because in the reals the only solution to this …

Jul 28, 2010 · Could you change the title to "Is there a general formula for solving 4th degree polynomial equations" or "Is there a general formula for solving quartic equations?"

reduces it to a linear equation in v v. I am not understanding this, what does f f mean? How can we find the solution with the help of the solution itself. I hope anyone could help me to solve …

In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …