Glossary

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C

Coefficients

Coefficients are the factors of the terms (i.e. The numbers in front of the letters) in a mathematical expression or equation

Coordinate

Coordinate is the ordered pair that gives the location or position of a point on a coordinate plane, determined by the point’s distance from the x and y axes, e.g. (2, 3.7) or (-5, 4).

Cubic equation

Cubic equation is a polynomial having a degree of 3 (i.e. The highest power is 3), which can be solved by factorization or formula to find its three roots.

D

Decimal number

Decimal number is a a real number which expresses fractions on the base 10 standard numbering system using place value.

Derivative

Derivative is a measure of how a function or curve changes as its input changes, i.e. The best linear approximation of the function at a particular input value, as represented by the slope of the tangent line to the graph of the function at that point, found by the operation of differentiation.

E

Element

Element is a member of, or an object in, a set.

F

Factor

Factor is a number that will divide into another number exactly, e.g. the factors of 10 are 1, 2 and 5.

Factorial

Factorial is the product of all the consecutive integers up to a given number (used to give the number of permutations of a set of objects), denoted by n!, e.g. 5! = 1 x 2 x 3 x 4 x 5 = 120.

Formula

Formula is a rule or equation describing the relationship of two or more variables or quantities.

Fraction

Fraction is a way of writing rational numbers (numbers that are not whole numbers), also used to represent ratios or division, in the form of a numerator over a denominator, e.g. 3⁄5 (a unit fraction is a fraction whose numerator is 1).