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the point or points at which a graph cuts or intersects the x-axis.
a test that determines whether or not a given graph represents a function.
the axis of symmetry; or the line about which a figure is reflected.
the highest or lowest point on a parabola, depending on whether the graph is ∩-shaped or ∪-...
an equation in which the highest power of a variable is 1. This means that the resulting graph...
a flat plane with two perpendicular axes (x-axis and y-axis). The position of...