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8th Chapter 1 Math Vocabulary
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Terms in this set (14)
base
In a power, the number that is the common factor. In 10 cubed, the base is 10. That is, 10 cubed =10x10x10.
cube root
One of three equal factors of a number. If a cubed =b, then a is the cube root of b. The cube root of 64 is 4 since 4 cubed =64.
exponent
In a power, the number of times the base is used as a factor. In 10 cubed, the exponent is 3 (cubed).
irrational number
A number that cannot be expressed as the quotient a/b, where a and b are integers and b doesn´t equal 0.
monomial
A number, a variable, or a product of a number and one or more variables.
perfect cube
A rational number whose cube root is a whole number. 27 is a perfect cube because its cube root is 3.
perfect square
A rational number whose square root is a whole number. 25 is a perfect square because its square root is 5.
power
A product of repeated factors using an exponent and a base. The power 7 cubed is read seven to the third power, or seven cubed.
radical sign
The symbol used to indicate a positive square root.
rational number
Numbers that can be written as the ratio of two integers
repeating decimal
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scientific notation
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square root
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terminating decimal
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