# Plus and minus signs: Quiz

 Question 1: This practice was adopted into Israeli schools (this practice goes back to at least the 1940s[10]) and is still commonplace today in elementary schools (including secular schools) but in fewer ________.Secondary schoolSecondary educationHigh schoolGymnasium (school)

 Question 2: The Unicode minus sign is designed to be the same length and height as the plus and ________.Equals signTildePlus and minus signsC (programming language)

 Question 3: [2] The + is a simplification of the Latin "et" (comparable to the ________ &).TildeBracketAmpersandSlash (punctuation)

 Question 4: The hyphen-minus sign (-) is the ________ version of the minus sign, and doubles as a hyphen.Windows-1252Code page 437ASCIIISO/IEC 8859-1

 Question 5: Plus and minus are ________ terms meaning "more" and "less", respectively.LatinOld LatinVulgar LatinRoman Empire

 Question 6: Many algebraic structures have some operation which is called, or equivalent to, ________.AdditionVector space0 (number)Multiplication

 Question 7: minus) appeared for the first time in ________’s mathematics compendium, Summa de Arithmetica, Geometria, Proportioni et Proportionalita, first printed and published in Venice in 1494.The Last Supper (Leonardo da Vinci)Luca PacioliLeonardo da VinciLeonardo da Vinci's personal life

 Question 8: In the ________ 1/−0 is negative infinity whereas 1/0 is positive infinity.IEEE 754 revisionToken ringIEEE 802.22IEEE 754-2008

 Question 9: In mathematics and most programming languages, the rules for the ________ mean that −52 is equal to −25.Operator associativityOperator overloadingOrder of operationsC (programming language)

 Question 10: The ________ sign for addition, for example, resembled a pair of legs walking in the direction in which the text was written (Egyptian could be written either from right to left or left to right), with the reverse sign indicating subtraction:Ancient EgyptEgyptian hieroglyphsDemotic (Egyptian)Hieratic

Source: The Full Wiki (http://quiz.thefullwiki.org/Plus_and_minus_signs)