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CLEP General Mathematics: Number Systems And Sets

Subjects : clep, math
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The central problem of Diophantine geometry is to determine when a Diophantine equation has






2. Sum






3. A number is divisible by 2 if






4. One asks whether there are any rational points (points all of whose coordinates are rationals) or integral points (points all of whose coordinates are integers) on the curve or surface. If there are any such points - the next step is to ask how many






5. In particular - the square of the imaginary unit is -1: The preceding definition of multiplication of general complex numbers follows naturally from this fundamental property of the imaginary unit. Indeed - if i is treated as a number so that di mean






6. Allow for solutions to certain equations that have no real solution: the equation has no real solution - since the square of a real number is 0 or positive.






7. If two equal quantities are divided by the same quantity - the resulting quotients are equal. If equals are divided by equals - the results are equal.






8. Begin by taking out the smallest factor If the number is even - take out all the 2's first - then try 3 as a factor






9. More than






10. Remainder






11. Studies algebraic properties and algebraic objects of interest in number theory. (Thus - analytic and algebraic number theory can and do overlap: the former is defined by its methods - the latter by its objects of study.) A key topic is that of the a






12. If a factor of a number is prime - it is called a






13. Is any complex number that is a solution to some polynomial equation with rational coefficients; for example - every solution x of (say) is an algebraic number. Fields of algebraic numbers are also called algebraic number fields - or shortly number f






14. Is called the real part of z - and the real number b is often called the imaginary part. By this convention the imaginary part is a real number - not including the imaginary unit: hence b - not bi - is the imaginary part. (Others - however call bi th






15. Allow the variables in f(x -y) = 0 to be complex numbers; then f(x -y) = 0 defines a 2-dimensional surface in (projective) 4-dimensional space (since two complex variables can be decomposed into four real variables - i.e. - four dimensions). Count th






16. A branch of geometry studying more general reflections than ones about a line - can also be expressed in terms of complex numbers.






17. This law combines the operations of addition and multiplication. The distribution of a common multiplier among the terms of an additive expression.






18. The complex conjugate of the complex number z = x + yi is defined to be x - yi. It is denoted or . Geometrically - is the

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19. The greatest of 3 consecutive whole numbers - the smallest of which is F






20. The smallest of four sonsecutive whole numbers - the biggest of which is K+6






21. The finiteness or not of the number of rational or integer points on an algebraic curve






22. Does not have an equal sign (3x+5) (2a+9b)






23. First axiom of equality






24. Any number that is exactly divisible by a given number is a






25. If the same quantity is subtracted from each of two equal quantities - the resulting quantities are equal. If equals are subtracted from equals - the results are equal.






26. Has an equal sign (3x+5 = 14)






27. Work on the problem of general polynomials ultimately led to the fundamental theorem of algebra -






28. In the Rectangular Coordinate System - the direction to the right along the horizontal line is






29. A number is divisible by 9 if






30. A number is divisible by 5 if its






31. Are often studied as extensions of smaller number fields: a field L is said to be an extension of a field K if L contains K. (For example - the complex numbers C are an extension of the reals R - and the reals R are an extension of the rationals Q.)






32. Plus






33. Implies a collection or grouping of similar - objects or symbols.






34. The square roots of a + bi (with b ? 0) are - where and where sgn is the signum function. This can be seen by squaring to obtain a + bi.






35. A number is divisible by 4 if






36. This formula can be used to compute the multiplicative inverse of a complex number if it is given in






37. Viewed in this way the multiplication of a complex number by i corresponds to rotating a complex number






38. Integers greater than zero and less than 5 form a set - as follows:






39. The base which is most commonly used is ten - and the system with ten as a base is called the decimal system (decem is the Latin word for ten). Any number is assumed - unless indicated - to be a






40. Product of 16 and the sum of 5 and number R






41. Number T increased by 9






42. Addition of two complex numbers can be done geometrically by






43. The numbers which are used for counting in our number system are sometimes called






44. If z is a real number (i.e. - y = 0) - then r = |x|. In general - by Pythagoras' theorem - r is the distance of the point P representing the complex number z to the origin.






45. As shown earlier - c - di is the complex conjugate of the denominator c + di.






46. Any number that la a multiple of 2 is an






47. G - E - M - A Grouping - Exponents - Multiply/Divide - Add/Subtract






48. Another way of encoding points in the complex plane other than using the x- and y-coordinates is to use the distance of a point P to O - the point whose coordinates are (0 - 0) (the origin) - and the angle of the line through P and O. This idea leads






49. More than one term (5x+4 contains two)






50. One term (5x or 4)