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This quiz consists of 5 multiple choice and 5 short answer questions through The Extraordinary Sums of Leonhard Euler.

## Multiple Choice Questions

**1. Which of the following is false about the modern implications of Euclid's number theory?**
**(a)** Euclid's recipe for constructing even perfect numbers is incorrect. **(b)** Euclid gave a good idea for how to construct even perfect numbers. **(c)** Whether there are no odd perfect numbers is still not known. **(d)** Great mathematicians continue to puzzle over some aspects of Euclid's number theory.

**2. Which of the following was true about Cardano, according to Dunham?**
**(a)** He was not a mathematician. **(b)** He was a priest. **(c)** He was jailed for heresy. **(d)** He had three wives.

**3. Which of the following can not be solved using algebra?**
**(a)** Triangulation. **(b)** Quadratic equation. **(c)** Geometric equation. **(d)** Quintic equation.

**4. What was the title of Cardano's book which contained the solution to the cubic?**
**(a)** Tarsisia. **(b)** Ars Magna. **(c)** La Magnifica. **(d)** Elements.

**5. Which of the following was NOT defined by Euclid?**
**(a)** Even numbers. **(b)** Nominal numbers. **(c)** Whole numbers. **(d)** Odd numbers.

## Short Answer Questions

**1.** What hindered Euler's work as he grew older?

**2.** Who was del Ferro's student?

**3.** What was most noticeable about Euler at a young age?

**4.** Who wrote a treatise that supposed that cubic equations may be impossible to solve?

**5.** What didn't Euler attempt?

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