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# Math vocabulary A-Z

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Middle school vocabulary words in a powerpoint presention. One word for each letter of the alphabet.

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### Math vocabulary A-Z

1. 1. (Math course) vocabulary<br />By: R.B.W<br />
2. 2. Addtaking 2 amounts and adding them together.. Here are some examples….. 2+8=10 , 33+43=76<br />
3. 3. Base<br /> the bottom of any shape besides a circle<br />This is the bottom of a shape<br />
4. 4. catenary<br />A curve whose equation is y = (a/2)(ex/a+e-x/a). A chain suspended from two points forms this curve. ceiling function The ceiling function of x is the smallest integer greater than or equal to x…………………………..<br />
5. 5. division<br />A basic arithmetical operation determining how many times one quantity is contained within another …… so here are some examples : <br />2√6=3<br />5√30=6<br />72√8=9<br />
6. 6. Euler's constant <br />The limit of the series 1/1+1/2+1/3+...+1/n-ln n as n goes to infinity. Its value is approximately 0.577216. <br />
7. 7. frustum<br />For a given solid figure, a related figure formed by two parallel planes meeting the given solid. In particular, for a cone or pyramid, a frustum is determined by the plane of the base and a plane parallel to the base. NOTE: this word is frequently incorrectly misspelled as frustrum.<br />
8. 8. Graphs<br />A graph is a set of points (called vertices) and a set of lines (called edges) joinging these vertices<br />
9. 9. Hexagon<br />A polygon with 6 sides.<br />
10. 10. infinite<br />becoming large beyond bound<br />
11. 11. joint probability function<br />A function that gives the probability that each of two or more random variables takes at a particular value.<br />
12. 12. kilometer<br />A unit of length equal to 1,000 meters ….. For example<br />7 mi. = 11.2654 km<br />19 mi. = 30.5775 km<br />
13. 13. least common multiple (LCM)<br />The least common multiple of a set of integers is the smallest integer that is an exact multiple of every number in the set.<br />2: one occurrence 3: two occurrences 5: one occurrence 2 × 3 × 3 × 5 = 90 <— LCM<br />
14. 14. median <br />When a set of numbers are ordered from smallest to largest, the median number is the middle number of all the numbers.<br />The median is the middle value, so I'll have to rewrite the list in order:<br />13, 13, 13, 13, 14, 14, 16, 18, 21<br />There are nine numbers in the list, so the middle one will be the (9 + 1) ÷ 2 = 10 ÷ 2 = 5th number:<br />13, 13, 13, 13, 14, 14, 16, 18, 21<br />So the median is 14.   <br />
15. 15. numerical analysis<br />The study of methods for approximation of solutions of various classes of mathematical problems including error analysis.<br />
16. 16. obtuse angle <br />an angle larger than 90o but smaller than 180o<br />
17. 17. Pell number<br />The nth term in the sequence 0, 1, 2, 5, 12,... defined by the recurrenceP0=0, P1=1, and Pn=2Pn-1+Pn-2. <br />
18. 18. quartile<br />The first quartile of a sequence of numbers is the number such that one quarter of the numbers in the sequence are less than this number. quintic polynomial A polynomial of degree 5. <br />
19. 19. rational number<br />A rational number is a number that is the ratio of two integers. All other real numbers are said to be irrational. real axis The x-axis of an Argand diagram. <br />
20. 20. supplementary <br />Two angels are supplementary of they add up to 180o. <br />
21. 21. twin primes<br />Two prime numbers that differ by 2. For example, 11 and 13 are twin primes.<br />
22. 22. unit circle <br />A unit circle is a circle with radius 1. unit cube A cube with edge length 1. <br />
23. 23. volume <br />The measure of spce occupied by a solid body. vulgar fraction A common fraction.<br />
24. 24. whole number <br />A natural number. winding number The number of times a closed curve in the plane passes around a given point in the counterclockwise direction. witch of Agnesi A curve whose equation is x2y=4a2(2a-y).<br />
25. 25. x-axis<br />The horizontal axis in the plane.<br />
26. 26. y-axis<br />The vertical axis in the plane.<br />
27. 27. zero element<br />The element 0 is a zero element of a group if a+0=a and 0+a=a for all elements a.<br />