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| +, - | Math Dictionary |
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z-axis The z-axis represents the third dimension in a graph. |
0 zero Zero is a number that stands for the absence of size or quantity. Zero is the additive identity, since zero plus any number is equal to that number. Any number times zero is zero. You cannot divide a number by zero. |
f(x) = 0 zeros of a function The zeros of a function are the points at which the value of the function is zero. Graphically, these are the points at which the plot touches or crosses the x-axis (i.e., y=0). |
 zigzag A zigzag is a line that sharply turns back and forth. |
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| Counting | Addition | Subtraction | Multiplication | Division |
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Click on an underlined word for more information on that subject. If the math term you are looking for is not in the dictionary, please e-mail us.
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