Algebra 1-A
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Transcript of Algebra 1-A
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ALGEBRA 1-AA JOURNEY THROUGH TIME
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NUMBER SETS•Real numbers•Imaginary numbers•Rational numbers•Irrational numbers
A number that when squared gives a positive number
A number that when squared gives a negative number
A number that can be made by dividing two integers
A number that has a decimal that goes on forever without repeating
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RATIONAL NUMBERS•Fractions/Decimals•Integers•Zero•Natural Numbers
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NUMBER SETS
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TIME LINE•1800 BC – BABYLONIANS SHOW KNOWLEDGE OF PYTHAGOREAN
SQUARES (FOUND A LIST OF THEM ON A CLAY TABLET)•1700 BC – STONEHENGE WAS BUILT (RICHARDSON W. H., P. 1)•1650 BC – EGYPTIANS DEMONSTRATE KNOWLEDGE OF MATH
OPERATIONS (PLUS) AND WORD PROBLEMS•1600 BC – BABYLONIAN TABLETS FOUND THAT SHOW SIGNS OF
BASIC ALGEBRA (ONE EQUATION 2A+3=7), FRACTIONS, QUADRATIC AND CUBIC EQUATIONS, AND SQUARE ROOTS
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TIME LINE•1300 BC – EGYPTIANS PLAY A VERSION OF TIC TACK TOE SIMILAR
TO THE GAME TODAY. •776 BC – THE FIRST OLYMPIC GAMES WERE HELD IN GREECE•360 BC – GEOMETER USES INEQUALITY IN A GEOMETRIC PROOF
OF EXHAUSTION •300 BC – EUCLID WROTE HIS BOOK ON GEOMETRY, THE
ELEMENTS•250 BC – ARCHIMEDES MAKES PI (22/7) AND FORMULAS FOR
FINDING AREA OF SHAPES
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WHY USE MATH?
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IDENTIFY
1323
2 3.3 362
0 9227
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PRACTICE MORE!
•JUST WORK ON 1-4 FOR NOW