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death toll

Total questions: 36

Worksheet time: 2hrs 9mins

Name
Class
Date
1.

What is the numerical value of \xi

ξ?

4 lines
2.

Five electrons are in a two-dimensional potential well in the form of a rectangular box with side lengths a

a and b = \sqrt {2} a

b=2


​a.

How large is their ground state energy?

Give the solution in units of \varepsilon = \dfrac {h^ 2} {8 m a ^ 2}


ε=8ma2


h2

​, where h


h is Planck's constant and m


m denotes the electron mass.

We assume that the electrons do not interact with each other and that the potential well has infinitely high walls.

4 lines
3.

Solve in real numbers the equation

\displaystyle \-x+sqrt{1-x^{2}}\-=sqrt{2}\left(2x^{2}-1\right)

\-x+sqrt1−x2

\-=sqrt2(2x2

−1).

4 lines
4.

Solve the equation:

x2 + 4x + 4 = 0; x = ?

4 lines
5.

Solve the equation:

x2 - 13x + 12 = 0

4 lines
6.

How many real roots does the equation have?

x^2 + 3x + 4 = 0

x2

+3x+4=0

4 lines
7.
Solve for x.
a)
5
b)
-2
c)
4
d)
12
8.
Solve for x. 
a)
3
b)
5
c)
6
d)
8
9.
3x + 2(4x - 4) = 3
a)
4
b)
3
c)
2
d)
1
10.
Solve.   -8 = 3n + 4
a)
4
b)
1 1/3
c)
-1 1/3 
d)
-4
11.
Find the length of the missing side. 
a)
17 cm
b)
22 cm
c)
15 cm
d)
13 cm
12.
Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?
a)
17 miles
b)
32 miles
c)
37 miles
d)
40 miles
13.
 What is 2w=58 ?
a)
29
b)
32
c)
15
d)
116
14.

What is 678+234

a)

912

b)

910

c)

832

d)

896

15.
Which Equation matches the model? 
a)
.4 x .2 = 0.8
b)
0.6 x 0.1 = 0.06
c)
0.2 x 0.4 = 0.8
d)
0.2 x 0.4 = 0.08
16.
63.1 X 2.2 =
a)
138.82
b)
245.87
c)
423.59
d)
100.25
17.
42.1 X 8.8 =
a)
370.48
b)
410.59
c)
78.26
d)
891.26
18.
Sarah jogged 4.8 miles each day for 22 days last month.  How many miles did Sarah jog in total?
a)
110 miles
b)
105.6 miles
c)
88.16 miles
d)
26.8 miles
19.

Natrium klorida

Sodium chloride

a)

Na2Cl

b)

NaCl2

c)

NaCl

d)

Na2Cl2

20.

Magnesium bromida

Magnesium bromide

a)

MgBr

b)

Mg2Br

c)

MgBr2

d)

Mg(Br)2

21.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
22.
What is the correct formula for dinitrogen tetroxide?
a)
N₃O₃
b)
(N₂)₂(O₄)₃
c)
N₂O₄
d)
N₄O₂
23.
The chemical formula of magnesium hydroxide is
a)
MgOH₂
b)
Mg(OH)₂
c)
Mg(OH)
d)
MgH₂
24.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
25.

A creative ________, he was continually dreaming up new projects.

a)

trader

b)

merchant

c)

entreprenuer

d)

seller

26.

She has lost her battle to ______ control of the company.

a)

compete

b)

retain

c)

face

d)

figure out

27.
a business plan 
a)
is useful once your business is operational but not much help during the startup phase
b)
is not usually needed to secure financing in your business
c)
can serve as a tool for managing your business once it is up and running
d)
All of the above
28.

What is a business plan?

a)

Written document that only outlines the business practices of the new business.

b)

Written document that describes the financial aspects of the business.

c)

Written document that only describes the ownership of the business.

d)

Written document that describes all the steps necessary for opening and operating a successful business.

29.

All partnerships must be 50 - 50?

a)

True

b)

False

30.

Your business plan should never list any risks or potential problems.

a)

True

b)

False

31.

True or False: Business plans are used by new, rather than established, firms

a)

TRUE

b)

FALSE

32.

An entrepreneur is creating a business plan for a new business ; they are including a section on sources of finance. Which of these are appropriate sources of finance to suggest? (Suggest as many as are appropriate)

a)

Grant

b)

Retained profit

c)

Owner savings

d)

Bank loan

33.

Which of the following is it OK to leave out of a business plan?

a)

Executive summary

b)

Location

c)

Marketing

d)

Employees needed

e)

None of the above

34.
This part of a business plan shows the knowledge of the industry and includes statistics on marketing data for the companies products/services, and evaluates competition
a)
Executive Summary
b)
Company Description
c)
Strategy
d)
Market Analysis
35.

Someone who starts, operates and assumes the risk of a business is known as an...

a)

Investor

b)

Interest person

c)

Entrepreneur

d)

Business inventor

36.

People who are part owners of a company are known as...

a)

Stakeholders

b)

Shareholders

c)

Customers

d)

People

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