square roots
TRANSCRIPT
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Square roots
(including old symbols and problems in solving radical
expressions)
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What is Square Root?
OFor any given number, it is another number that when
multiplied by itself equals the given number.
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Symbol Origin Author
R 1436-1476 Regiomontanus
√ 1525 Christoff Rudolff
n√ 1629 Albert Girard
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Symbol Origin Author
√ � 1637 René Descartes
· 1698 Gottfried Leibniz
∏ 1812 Carl Friedrich Gauss
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Symbol Origin Author
x 1902 J. Willard Gibbs
ℤ 1930 Edmund Landau
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Word Problem!O Ms. Sharon grouped the grade 9
into two groups and the first group includes Julius, Jansen, Ella
and Rose Ann and they were assigned to cut a square-shaped cardboard box. Find the length of the sides of a square whose area
is √72 square centimeters.
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Solution!A = S2
72 = S2
√72 = √S2
√9•8 = √S2
3 √8 = S6 √2=S
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Thanks for listening!
Prepared by: Julius :)