Examlex
If XPath is unable to calculate a value because of an error in the style sheet, it will return the text string "NaN" (Not a Number) .
Graph Equations
A visual representation of the solutions to an equation, typically plotted on a coordinate plane.
Hyperbola
A type of conic section that appears as two symmetrical curves, defined mathematically as the set of points where the difference of the distances to two foci is constant.
Standard Form
A way to write numbers using the digits 0-9, where each digit is given a place value, or for equations, a specific arrangement, such as \(Ax + By = C\) for linear equations.
Method of Substitution
A technique used to solve systems of equations where one equation is solved for one variable in terms of the others, and then substituted into another equation.
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