Loaded Questions 3/14/22 - Math
Easy as pi!
This Monday edition is available to all Loaded Question readers. Be sure to subscribe to unlock 55 more questions every week! Happy Pi Day! Figured we needed some math questions for this fine day.
As I tweeted yesterday: Groundhog Day is a repeating holiday while Pi Day is a non-repeating holiday.
1. What three Greek letters are used when making spherical coordinates, none of which are pi?
2. What branch of pure mathematics is devoted primarily to the study of integers and integer-valued functions?
3. What is the period of the sine function?
4. What name is given to a polygon with an infinite number of sides?
5. PEDMAS in England is BIDMAS. What do B and I stand for?
6. What substance names the number 1.32471... that is unique real solution to the equation x^3 = x + 1 ?
7. Induction is equivalent to what statement, which states every non-empty subset of the positive integers contains a least element?
8. The origin is the (0,0) point on a Cartesian plane. What is the equivalent of the origin in a vector space? Visually, it is the point where the two cones meet.
9. What word that describes a set containing one member from each of a collection of disjoint sets, as well as a line that crosses/intersects two or more lines?
10. "The Man Who Loved Only Numbers" was a posthumous biography about what Hungarian mathematician?
11. A furlong is equal to 1/8 of a mile, or 40 ___, or 10 ___. What units fill in the blanks?
ANSWERS BELOW
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ANSWERS
1. What three Greek letters are used when making spherical coordinates, none of which are pi? (Rho, theta, phi)
2. What branch of pure mathematics is devoted primarily to the study of integers and integer-valued functions? Number theory
3. What is the period of the sine function? 2 pi (same as cosine)
4. What name is given to a polygon with an infinite number of sides? Apeirogon
5. PEDMAS in England is BIDMAS. What do B and I stand for? Brackets, Indices
6. What substance names the number 1.32471... that is unique real solution to the equation x^3 = x + 1 ? Plastic number
7. Induction is equivalent to what statement, which states every non-empty subset of the positive integers contains a least element? Well-Ordering Principle
8. The origin is the (0,0) point on a Cartesian plane. What is the equivalent of the origin in a vector space? Visually, it is the point where the two cones meet. Null vector
9. What word that describes a set containing one member from each of a collection of disjoint sets, as well as a line that crosses/intersects two or more lines? Transversal
10. "The Man Who Loved Only Numbers" was a posthumous biography about what Hungarian mathematician? Paul Erdős
11. A furlong is equal to 1/8 of a mile, or 40 ___, or 10 ___. What units fill in the blanks? Rods, chains