YouTube on MSN: How to find vertex, focus and directrix of a horizontal parabola in standard form
How to find vertex, focus and directrix of a horizontal parabola in standard form
MSN: How to find the equation of a parabola in conic sections given vertex and directrix
How to find the equation of a parabola in conic sections given vertex and directrix
The find() method of Array instances returns the first element in the provided array that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.
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Description The find() method returns the value of the first element that passes a test. The find() method executes a function for each array element. The find() method returns undefined if no elements are found. The find() method does not execute the function for empty elements. The find() method does not change the original array.
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