Algebra

Algebra

Alegra is the study of operations and their application to solving equations.

Industry: Mathematics

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Algebra

Parabola

Mathematics; Algebra

The set of all points in a plane that are the same distance from a point (focus) as they are from a given line (directrix). it is the graph of a quadratic function having a U shape.

Origin (on a number line)

Mathematics; Algebra

The point on the number line associated with zero.

Ordered triples (X, Y, Z)

Mathematics; Algebra

The set that is the solution of an equation in three variables.

Origin (on a graph)

Mathematics; Algebra

The point of intersection of the coordinate axes. It is designated (0. 0).

Opposites

Mathematics; Algebra

Two numbers whose sum is zero. Also called additive inverses.

Midpoint

Mathematics; Algebra

The point on a segment that is equidistant from the endpoints.

Midpoint formula

Mathematics; Algebra

If the coordinates of point A are (x1,y1) and the coordinates of point B are (x2,y2), then the coordinates of the midpoint of segment AB are ((x1+x2)/2, (y1+y2)/2)