The following topics are immediate subtopics of Algebra.

Term: Abscissa
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 Definition: In mathematics, abscissa (plural abscissae or abscissae) refers to that element of an ordered pair which is plotted on the horizontal axis of a twodimensional Cartesian coordinate system, as oppos...

Term: Amplitude
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 Last modified: over 11 years ago
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 Definition: The maximum vertical distance that a trigonometric function oscillates.

Term: Angle
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 Last modified: over 6 years ago
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 Definition: An angle (in full, plane angle) is the figure formed by two rays sharing a common endpoint, called the vertex of the angle. The magnitude of the angle is the "amount of rotation" that separates the...

Term: Area
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 Last modified: over 8 years ago
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 Definition: A measure of a surface. For a rectangle, the area is the product of two adjacent sides. A triangle has an area equal to the product of half its base and its altitude. Areas of other rectilinear fig...

Term: Associative
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 Last modified: over 9 years ago
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 Definition: A binary operation is associative if the order of grouping does not matter, that is, (x + y) + z = z + (y + z) where + is the operation.

Term: Binomial
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 Definition: an expression that IS the sum of two terms.

Term: Central Angles
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 Last modified: over 11 years ago
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 Definition: A central angle is any angle with vertex at the center of a circle, but its initial side may or may not be the positive xaxis.

Term: Circle
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 Last modified: over 8 years ago
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 Definition: Let (h, k) be a given point in the xyplane and r > 0 a given positive real number. The circle of radius r centered at (h, k) is precisely all of the solutions (x,y) of the equation (x − h)^2 +...

Term: Coefficient
 Signs proposed: 0
 Last modified: over 5 years ago
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 Definition: The number that is placed before a variable in an algebraic expression is a multiplicative factor called the coefficient.

Term: Commutative
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 Last modified: over 9 years ago
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 Definition: A binary operation is commutative if the order of applying the operation doesn't matter, that is, x + y = y + x where + is the operation.