## Algebra Chapter 2

##### Created by:

jeslyno  on September 9, 2010

##### Classes:

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# Algebra Chapter 2

 absolute valuethe distance the number is from zero on a number line. (-6 and 6 have the same absolute value)
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#### Definitions

absolute value the distance the number is from zero on a number line.
(-6 and 6 have the same absolute value)
additive inverse an integer and its opposite
coordinate the number that corresponds to the point on a number line
inequality compares numbers or quantities
(any mathematical sentence containing < or >)
integer any number from the set {..., -3, -2, -1, 0, 1, 2, 3, ...}
mean find the sum of the numbers and then divide by the number of items in a set
negative number a number less than zero
opposites two numbers with the same absolute value but different signs
(-4 and 4)
positive number a number greater than zero
quadrant the x-axis and the y-axis seperate the coordinate plane into four regions. (I , II, III, IV)
reflection when you flip a figure over a line
transformation an operation that maps an original geometric figure onto a new figure called an image
translation when you slide a figure from one position to another without turning it

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