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University

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Emily Huang

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13 questions

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- 1. Multiple Choice30 seconds1 pt
What is a set?

A method of solving problems

A collection of objects

A 2-D shape

{7}

- 2. Multiple Choice30 seconds1 pt
$\left\{\frac{a}{b}\left|a,b\in Z;b\ne0\right|\right\}\$ defines what basic set?

Reals

Naturals

Rationals

Integers

- 3. Multiple Choice30 seconds1 pt
What is the following symbol's name and meaning? $\cup$

Union- Combines two sets or intervals

Union- Gives the overlap of two sets or intervals

Intersection- Combines 2 sets or intervals

Intersection- Gives the overlap of two sets or intervals

- 4. Multiple Choice30 seconds1 pt
Of the basic sets, which is the "biggest"?

Real

Complex

Algebraic

Natural

- 5. Multiple Choice30 seconds1 pt
$x\epsilon\left(-\infty,0\right)\cup\left(0,\infty\right)$ is equivalent to $\left\{x\in R\left|x\ne n\right|\right\}$ . What is n?

0

1

2

3

- 6. Multiple Choice30 seconds1 pt
Which number is apart of the rational set, but not the integer set?

$\pi$

$\frac{1}{7}$

6

10,000,000,000,000

- 7. Multiple Choice30 seconds1 pt
NST stands for what?

Newts Should Try

New Set Theory

Naïve Set Theory

Never Steal, Theifs

- 8. Multiple Choice30 seconds1 pt
Who proved 1+1=2

Gauss

Euler

Newton

Russell

- 9. Multiple Choice30 seconds1 pt
Classify the following number: $\sqrt{2}$

Real

Rational

Irrational

Integer

- 10. Multiple Choice30 seconds1 pt
Classify the following number: i

Algebraic

Real

Natural

Complex/Imaginary

- 11. Multiple Choice30 seconds1 pt
$0<n\le1$ Which number satisfies the following inequality?

1.001

$\sqrt{2}$

0.2

-1

- 12. Multiple Choice30 seconds1 pt
{1,2,3,4,5,6} which set is a subset of this?

{1,3,5}

{0,1,2}

{4,6,8}

{1.1,2,3}

- 13. Multiple Choice30 seconds1 pt
$\infty$ is called what geometrically?

Sideways 8

Lemniscate

Squiggle

Loops

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