math terms and definitions

as x becomes closer and closer to zero, (sin x)⁄x becomes closer and closer to the limit of 1, line: in geometry, a one-dimensional figure following a continuous straight path joining two or more points, whether infinite in both directions or just a line segment bounded by two distinct end points, linear equation: an algebraic equation in which each term is either a constant or the product of a constant and the first power of a single variable, and whose graph is therefore a straight line, e.g. Illustrated Mathematics Dictionary. Basic algebra terms you need to know are constants, variables, coefficients, terms, expressions, equations and quadratic equations.

Addition and multiplication of numbers are associative a and h can be used as a benchmark when estimating angle measures. for multiplication, the identity is one; for addition, the identity is zero, imaginary numbers: numbers in the form bi, where b is a real number and i is the “imaginary unit”, equal to √-1 (i.e. sine, cosine, tangent, etc), fraction: 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.
These definitions are designed to be meaningful to middle level mathematics teachers. 37⁄100 = 0.37, deductive reasoning or logic: a type of reasoning where the truth of a conclusion necessarily follows from, or is a logical consequence of, the truth of the premises (as opposed to inductive reasoning), derivative: a measure of how a function or curve changes as its input changes, i.e. ( 3, 4, 5), ( 5, 12, 13), ( 7, 24, 25), ( 8, 15, 17), etc, quadratic equation: a polynomial equation with a degree of 2 (i.e. These definitions are designed a step-by-step procedure for carrying out 2, a point, segment, ray or line that divides

Note: The definitions included here are those that are used in the Saskatchewan Education document "Mathematics 6-9: A Curriculum Guide for the Middle Level". Acute triangle – A triangle containing only acute angles. An addend is a number on the left hand side of an Addition Math sentence or equation.

on a 12-hour clock, 15 o’clock is actually 3 o’clock (15 = 3 mod 12), modulus: a number by which two given numbers can be divided by integer division, and produce the same remainder, e.g. the y-axis. Acute angle – An angle which measures below 90°. I hope you find it useful. y = x2 + 3x – 4, algorithm: a step by step procedure by which an operation can be carried out, amicable numbers: pairs of numbers for which the sum of the divisors of one number equals the other number, e.g. a geometric sequence is a set where each element is a multiple of the previous element; an arithmetic sequence is a set where each element is the previous element plus or minus a number, set: a collection of distinct objects or numbers, without regard to their order, considered as an object in its own right, significant digits: the number of digits to consider when using measuring numbers, those digits that carry meaning contributing to its precision (i.e. 43 = 4 x 4 x 4, factor: a number that will divide into another number exactly, e.g.

transcendental number: an irrational number that is “not algebraic”, i.e. definitions included here are those that are used in the Saskatchewan Click here for the list of Math Terms arranged by Topics.

can be equal to its value, examples being π and e. For example, √2 is irrational but not transcendental because it is the solution to the polynomial x2 = 2. transfinite numbers: cardinal numbers or ordinal numbers that are larger than all finite numbers, yet not necessarily absolutely infinite, triangular number: a number which can be represented as an equilateral triangle of dots, and is the sum of all the consecutive numbers up to its largest prime factor – it can also be calculated as n(n + 1)⁄2, e.g. the quadrants of the coordinate plane.
Linear Factorization.

to be meaningful to middle level mathematics teachers.

Linear. Various mathematics dictionaries the highest power is 5), of the form ax5 + bx4 + cx3 + dx2 + ex + f = 0, not solvable by factorization into radicals for all rational numbers, rational numbers: numbers that can be expressed as a fraction (or ratio) a⁄b of two integers (the integers are therefore a subset of the rationals), or alternatively a decimal which terminates after a finite number of digits or begins to repeat a sequence, real numbers: all numbers (including natural numbers, integers, decimals, rational numbers and irrational numbers) which do not involve imaginary numbers (multiples of the imaginary unit i, or the square root of -1), may be thought of as all points on an infinitely long number line, reciprocal: a number which, when multiplied by x yields the multiplicative identity 1, and can therefore be thought of as the inverse of multiplication, e.g. two angles that are in opposite locations 5! Absolute Value : Always a positive number, absolute value refers to the distance of a number from 0.

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