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  1. What is the difference between equation and formula?

    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. …

  2. What is the equation for a 3D line? - Mathematics Stack Exchange

    May 28, 2013 · I love your answer for a line equation in the form of z = f (x, y)... Unfortunately calculating square roots can be impractical from the calculational standpoint and hence I really …

  3. simple geometry question- equation of cylinder

    Jul 23, 2014 · The equation of an object is a way of telling whether a point is part of an object -- if you substitute the coordinates of the point into the equation and the equation is true, then the …

  4. What is the difference between an identity, an equation and a ...

    Equation means equality. They are both related to the word equal. If such an equality is true for all values of the variable, it is called an identity, e.g., $\sin^2x+\cos^2x=1$ is true for all x. If …

  5. arithmetic - What is the difference between a quadratic equation …

    Also, both a quadratic function and a quadratic equation can have x to the second power. So lastly, I think the difference between a function and an equation lies in what it has been set …

  6. Equation of a rectangle - Mathematics Stack Exchange

    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.

  7. logarithms - Finding the Equation of a Straight Line on a Log-Log …

    May 30, 2019 · Given two discrete points on a log-log plot and a defined minimum value on both axes, how would you determine the equation of the line that runs through both points?

  8. geometry - Get the equation of a circle when given 3 points ...

    Apr 20, 2017 · Get the equation of a circle through the points $(1,1), (2,4), (5,3) $. I can solve this by simply drawing it, but is there a way of solving it (easily) without having to draw?

  9. Ellipse general equation from dimensions, offset, and tilt angle

    Aug 13, 2020 · Ellipse general equation from dimensions, offset, and tilt angle Ask Question Asked 5 years, 3 months ago Modified 5 years, 3 months ago

  10. intuition - How Bernoulli differential equation arise naturally ...

    A Bernoulli differential equation is a non-linear differential equation of the form $$ \\frac{dy}{dx} + P(x)y = Q(x)y^n. $$ I understand this is special; Because its exact solution is known though ...