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17 Cards in this Set
- Front
- Back
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Quantity
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anything that can be measuered or counted.
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Algerbra
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uses symbols to represent quantities that are unknown or vary,
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variable
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a symbol that represents a number
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algerbraic expression
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one with a variable, no equal sign
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numerical expression
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no variable, no equal sign
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base, eponent, powers
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.
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to square
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to multiply a number by itself
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the square of an integer is called a perfect spquare
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.
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all positive real numbers have two square roots, a positive square root also called the principle square root and a negative square root.
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radical symbol
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sign used for square roots
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radicand
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number that youre squaring
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Pythagorean theorem
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c2=a2+b2.
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counting numbers
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1,2,3,4,5,6 all numbers after 0.
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whole numbers
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0 and all numbers after it.
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integers
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positive and negative numbers
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rational
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can be made into a/b where b does not equal 0
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irrational
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cannot be made into a/b where b does not equal 0.
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