Assignment 11 Query

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course Mth 151

04/07/2011 930pm

If your solution to stated problem does not match the given solution, you should self-critique per instructions at

http://vhcc2.vhcc.edu/dsmith/geninfo/labrynth_created_fall_05/levl1_22/levl2_81/file3_259.htm

Your solution, attempt at solution. If you are unable to attempt a solution, give a phrase-by-phrase interpretation of the problem along with a statement of what you do or do not understand about it. This response should be given, based on the work you did in completing the assignment, before you look at the given solution.

011. `Query 11

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Question: `qQuery 1.4.24 1 to any power is what?

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Your solution:

confidence rating #$&*:

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Given Solution:

`a** The meaning is 1^2, 1^3, 1^4. We take a power of the base.

The result is always 1. **

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Self-critique (if necessary):

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Self-critique Rating:

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Question: `qQuery 1.4.30 sqr of neg gives what?

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Your solution:

confidence rating #$&*:

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Given Solution:

`a** The square root of a negative will often give you an error (what can you square to get a negative, since any number squared is positive?), but on certain calculators it gives a complex number (actually two complex numbers). These are not real numbers; for the purposes of this course there is no real square root of a negative number.

There is no real number that can be squared to give a negative. If you square a negative number you get a negative times a negative, which is positive. If you square a positive number you get a positive number. So a negative number has no real square root. **

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Self-critique (if necessary):

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Self-critique Rating:

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Question: `qQuery 1.4.42 drawer has 18 compartments; how many drawers to hold 204 tapes?

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Your solution:

confidence rating #$&*:

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Given Solution:

`a** 204 / 18 = 11 with remainder 6. If we had 11 drawers they would hold all but 6 of the tapes.

The leftover tapes also have to go into a drawer, so we need a 12th drawer. **

Self-critique (if necessary):

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Self-critique rating:

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Question: `qQuery 1.4.42 drawer has 18 compartments; how many drawers to hold 204 tapes?

YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY

Your solution:

confidence rating #$&*:

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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Given Solution:

`a** 204 / 18 = 11 with remainder 6. If we had 11 drawers they would hold all but 6 of the tapes.

The leftover tapes also have to go into a drawer, so we need a 12th drawer. **

Self-critique (if necessary):

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Self-critique rating:

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