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# Topic: Locus (mathematics)

###### In the News (Thu 23 May 19)

 Locus (mathematics) - guideofcasinos.com A circle is the locus of points from which the distance to the center is a given value, the radius. An ellipse is the locus of points, the sum of the distances from which to the foci is a given value. A parabola is the locus of points, the distances from which to the focus and to the directrix are equal. www.guideofcasinos.com /Locus_%28mathematics%29.html   (208 words)

 Science and Technology: Mathematics topics on Encyclopedia.com angle in mathematics, figure formed by the intersection of two straight lines; the lines are called the sides of the angle and their point of intersection the vertex of the angle. associative law in mathematics, law holding that for a given operation combining three quantities, two at a time, the initial pairing is arbitrary; e.g., using the operation of addition, the numbers 2, 3, and 4... Golden Section in mathematics, division of a line segment into two segments such that the ratio of the original segment to the larger division is equal to the ratio of the larger division to the smaller division... www.encyclopedia.com /category/Science_and_Technology/Mathematics/math.html   (3170 words)

 Locus | Macmillan Mathematics Sometimes it is useful in mathematics to describe the path that a point traces as it moves in a plane to meet certain conditions. What is the locus of, or path traced by, a point in a plane that moves so that it is always three inches from point A? This locus will be a circle, with point A as the center and a radius of three inches. What is the locus of all points in a plane that are the same distance from point D and from point E? To answer this, one might draw some example points that are equidistant from D and E, such as the points marked with a star in the left-hand illustration of the figure below. www.bookrags.com /research/locus-mmat-02   (464 words)

 locus (mathematics) - Hutchinson encyclopedia article about locus (mathematics)   (Site not responding. Last check: ) In mathematics, traditionally the path traced out by a moving point, but now defined as the set of all points on a curve satisfying given conditions. The locus of points a fixed distance from a fixed point is a circle. The locus of a point equidistant from two fixed points is a straight line that perpendicularly bisects the line joining them. encyclopedia.farlex.com /locus+(mathematics)?p   (199 words)

 Locus In biology, a locus describes the position of a gene (or other significant sequence) on a chromosome. Diploid or polyploid cells are either homozygote (have the same allele at a locus) or heterozygote (have different alleles at a locus). In mathematics, a locus is the set of points satisfying a particular condition. www.ebroadcast.com.au /lookup/encyclopedia/lo/Locus.html   (89 words)

 locus (mathematics) In mathematics, traditionally the path traced out by a moving point, but now defined as the set of all points on a curve satisfying given conditions. The locus of points a fixed distance from a fixed point is a circle. The locus of a point equidistant from two fixed points is a straight line that perpendicularly bisects the line joining them. www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0006698.html   (178 words)

 Search Results for "Mathematics" Mathematics Reduced by the subtraction of; less: Ten minus four is six. Mathematics A set for which there is a binary operation that is closed and associative.... Mathematics The locus of the centers of curvature of a given curve. www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col61&query=Mathematics   (312 words)

 Thomson Nelson - Secondary Mathematics - Mathematics 11 Locus of centers of circles inscribed in an angle – this example allows the user to explore the locus of the centers of circles that are inscribed in a given angle. Locus of points equidistant from 2 points –; this example allows the user to explore a simple locus definition. Locus Definition of a circle –; this example allows the user to see animated examples of how to use the locus definition to develop the equation of a circle. www.nelson.com /nelson/school/secondary/mathematics/0176157573/studinteractive.html   (847 words)

 Locus Online: About Locus Online Locus Online, which went online in April 1997, is a semi-autonomous web version of Locus Magazine. Also on the locusmag.com domain are the independently compiled Locus Index to Science Fiction, by William G. Contento, and the Locus Index to Science Fiction Awards, by Mark R. Kelly. He has a BA degree in Mathematics from UCLA, and has worked for a certain large aerospace concern in Canoga Park CA for over 20 years. locusmag.com /About/LocusOnline.html   (506 words)

 An Investigations with Parametric Equations   (Site not responding. Last check: ) Find the locus of the third vertex of an equilateral triangle when two of its vertices are moved along the x-axis and y-axis respectively. Special case: The locus of the 90 degree angle in a right triangle when the vertices of the acute angles are on the axes. Create GSP sketches to show the locus of the third vertex of a triangle when two of its vertices are moved along the x and y axes. jwilson.coe.uga.edu /emt725/RotTri/RotTri.html   (524 words)

 GLEC - SECONDARY TEACHER BELIEFS AND PRACTICES ABOUT MATHEMATICS IN THE PAPUA NEW GUINEA CONTEXT It was surprising because mathematics is associated with schools and school mathematics exercises almost always give examples of applications of mathematics in activities associated with ‘western’ culture or a modernised society with hardly any examples of mathematics associated with traditional cultural activities. External views regard mathematics as an externally existing body of knowledge, facts, principles and skills available in syllabi or curriculum material while internal views regard mathematics as a personally constructed or internal set of knowledge, where mathematics is a process or a creation of the mind. The content of the mathematics taught by all the teachers consisted typically of text book exercises but there were differences in their teaching approaches, particularly in the methods of solution and the portrayal of mathematics. www.uog.ac.pg /glec/Key/Kaleva/SECONDARY-p.htm   (4932 words)

 Patricio Herbst 2000 The mathematics of the class as public knowledge is distinguished (1) from the mathematics (prescribed) to be transmitted and acquired (the official knowledge), and (2) from the mathematics (known or developed) by the individuals that play roles of learners or teachers (their personal knowledge). According to the hypothesis that the mathematics class is a cognitive locus, the mathematics (of the) class is enabled (and constrained) as much by the cognition of the individuals involved as by the structure of the knowledge to be taught, but is irreducible to either of those factors. The accumulation and growth of mathematical knowledge concerns fundamentally the structuring of mathematical theories, memoirs, discourses, or texts (which could be understood as intellectual architectures that integrate a body of objects and proved propositions, and suggest problems for future work). www-leibniz.imag.fr /DIDACTIQUE/preuve/Newsletter/000304Theme/000304ThemeUK.html   (2425 words)

 Category: Mathematics   (Site not responding. Last check: ) Mathematical content: * estimation: of numbers * number: counting by 2s, 5s, and 10s to 25; number facts of 7 * geometry: solids and their properties cube, cone. Locus and eccentricity are explained and then used to solve problems that involve determining and analyzing equations of various parabolas. Each conic is studied individually in terms of it s locus and eccentricity definition, identifying characteristics of the general form of the equation, and through examples of the questions that can be solved with this information. home.comcast.net /~m-arendt/mathematics.htm   (7874 words)

 The V-Locus a locus is a shelf describing a particular subject and the alleles are individual books... There was one other event that completed my discovery of the 'locus' - at the beginning 0f 2003 - by now I had forgotten all about loci and alleles, when its significance was once again presented to me... A genetic locus is truly a miniscule existence - a position of a single gene amongst the thousands - yet its an essential contribution. www.kamban.com.au /vidya/the_locus.htm   (426 words)

 The Repressed Content-Requirements of Mathematics Mathematics, as it is conceived in the twentieth century, has presuppositions about perception, and about the comprehension of lived experience relative to the apprehension of apparitions, which are repressed in professional doctrine. Mathematical knowledge is not supposed to depend on the word of a particular authority--on citations which have the character of Biblical verses. Moreover, mathematics is obviously not chess because mathematics is infinitary. www.henryflynt.org /studies_sci/reqmath.html   (6508 words)

 Glencoe Mathematics - Online Study Tools What is the locus of all points in a plane that are 3 units from a given point in that plane? What is the locus of all points in a plane that are equidistant from two distinct points X and Y in that plane? What is the locus of points in a plane that are less than 4 units from a given point in the plane? www.glencoe.com /sec/math/studytools/cgi-bin/msgQuiz.php4?isbn=0-02-825275-6&chapter=13&lesson=1   (154 words)

 Aristotle and Mathematics > Aristotle and Greek Mathematics (Stanford Encyclopedia of Philosophy) The problem must be as old as Greek mathematics, given that the problem marks a transition from Egyptian to Greek style mathematics. While it may be unlikely that Aristotle is the author of the locus theorem (13) from Meteorologica iii.5, it is interesting that in his commentary on Apollonius' Conics, the Byzantine mathematician Eutocius attributes the theorem to Apollonius, 150 years Aristotle's junior. With the possible exception of this theorem, all of Aristotle's original mathematics may be found in his arguments against infinity and on motion in the Physics iii-vii and De caelo i, many of which use proportion theory. plato.stanford.edu /entries/aristotle-mathematics/supplement4.html   (1716 words)

 Locus - Search Results - MSN Encarta Locus (Latin for 'place'), in mathematics, traditionally the path traced out by a moving point, but now defined as the set of all points on a curve... Locus Standi (Latin for 'place to stand'), in law, the right to bring an action. allusion, mention, suggestion, indication, citation, quotation, note, orientation, position, situation, location, locus, place, recommendation,... encarta.msn.com /Locus.html   (171 words)

 Crocodile Clips Lesson Activity   (Site not responding. Last check: ) In Mathematics, the locus is the path formed by a point that moves according to a certain rule. The locus of points equidistant from a point forms a circle. The locus of points equidistant from a line takes the form of two parallel lines and two semi circles. www.crocodile-clips.com /gpv70/LP/mathematics/LP0086/LA0086.htm   (202 words)

 locus - Wiktionary A place or locality, especially a centre of activity or the scene of a crime. (mathematics) The set of all points whose coordinates satisfy a given equation or condition. A circle is the locus of points from which the distance to the center is a given value, the radius. en.wiktionary.org /wiki/Locus   (82 words)

 Mappa.Mundi Magazine - Locus - Meridian Locus is a series about words about places and how language, culture and society have created and used these words down through the ages. "Hipparchus of Rhodes" from the School of Mathematics and Statistics University of St Andrews, Scotland. "Ptolemy" from the School of Mathematics and Statistics University of St Andrews, Scotland. mappa.mundi.net /locus/locus_015   (1005 words)

 Spiral - LoveToKnow 1911 SPIRAL, in mathematics, the locus of the extremity of a line (oi radius vector) which varies in length as it revolves about a fixed point (or origin). Their general equation is p-2 =Are +B, in which A and B can have any values. If B =0, we have p = rl A, and the locus is the equiangular spiral. www.1911encyclopedia.org /Spiral   (552 words)

 Locus Pharmaceuticals - News - 2002 Press Releases - Locus Discovery Announces the Membership of Its Scientific ... In 2001, for his pioneering work on the Locus technology, Dr. Guarnieri was presented with the prestigious David Sarnoff Award — an ad hoc award given within Sarnoff to the creator of superior, ground-breaking, technology. Locus Discovery uses one of the world’s largest Linux-based supercomputer clusters to run proprietary software applications that identify binding sites on protein disease targets, and build novel drug-like molecules that bind specifically to the protein site. Locus Discovery is presently synthesizing and testing novel small molecule therapeutic compounds for important human diseases including HIV/AIDS, Alzheimer’s, arthritis and inflammation, stroke, ischemia and myocardial infarction. www.locusdiscovery.com /news/2002/2002-06-27.php   (994 words)

 Jemma / Loci Lesson Through the advent of dynamic geometry software in the high school classroom, the notion of locus takes on meaning beyond simply an object to be mastered without connection to the rest of mathematics; locus becomes a means of illustrating, of exploring, of defining, and of providing proof. For example, we can have 20 students stand at equal distances from a pole, denoting locus as a set of points, and then denote the path of a moving point by having one student walk around the pole keeping her distance from the pole constant. This example is rich with mathematics: the notion of counterexample, the use of loci as a tool for illustration and understanding, and the geometry of the triangle. jwilson.coe.uga.edu /emt669/student.folders/Giddings.Jemma/Locus.Lesson/Loci.Lesson.html   (1209 words)

 Course of Study - Math The mathematics curriculum is built around a core sequence of eight trimester courses: three of elementary algebra, two of geometry, one of intermediate algebra, and two of precalculus topics. Placement of new students in the appropriate first course is made by the department, which considers the record in previous schools, the results of a self-administered placement test in elementary algebra that is sent to newly admitted students in the spring, and the course program chosen by the entering student. Mathematics 360 is the final course in the precalculus sequence. www.andover.edu /academics/studies/cos_math.htm   (2655 words)

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