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the highest or lowest point on a parabola, depending on whether the graph is ∩-shaped or ∪-shaped. It is also known as the turning point of the parabola, as at this point where the gradient of the graph is zero.
the limit of the average gradient as the change in x tends towards zero.
a summary of a data set that includes the minimum and maximum values, and the first, second and...
the difference between any two consecutive terms in an arithmetic sequence. The constant...
a variable that does not depend on another variable for its value (in other words, the variable...
is a set that describes the union of two or more subsets, all the overlapping numbers are listed...