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Chapter 5 Pre Test



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Simplify the expression mc001-1.jpg.
a.
mc001-2.jpg
b.
mc001-3.jpg
c.
mc001-4.jpg
d.
mc001-5.jpg
e.
mc001-6.jpg
 

 2. 

Simplify the expression mc002-1.jpg. Assume that neither u nor v is zero.
a.
mc002-2.jpg
b.
mc002-3.jpg
c.
mc002-4.jpg
d.
mc002-5.jpg
e.
mc002-6.jpg
 

 3. 

Replace (?) by an appropriate exponent that makes the statement true. Assume that neither x nor y is 0.

mc003-1.jpg
a.
mc003-2.jpg
b.
mc003-3.jpg
c.
mc003-4.jpg
d.
mc003-5.jpg
e.
mc003-6.jpg
 

 4. 

Use rules of exponents to simplify the expression mc004-1.jpg using only positive exponents. (Assume that mc004-2.jpg)
a.
mc004-3.jpg
b.
mc004-4.jpg
c.
mc004-5.jpg
d.
mc004-6.jpg
e.
mc004-7.jpg
 

 5. 

Write mc005-1.jpg in scientific notation.
a.
mc005-2.jpg
b.
mc005-3.jpg
c.
mc005-4.jpg
d.
mc005-5.jpg
e.
mc005-6.jpg
 

 6. 

In 2005, suppose the population of the United States was approximately mc006-1.jpg people. The land area of the United States is approximately mc006-2.jpg square miles. On average, how much land could be allocated to each person?
a.
mc006-3.jpg square mile per person
b.
mc006-4.jpg square mile per person
c.
mc006-5.jpg square mile per person
d.
mc006-6.jpg square mile per person
e.
mc006-7.jpg square mile per person
 

 7. 

Which of the following polynomials is a binomial of degree 3?
a.
mc007-1.jpg
b.
mc007-2.jpg
c.
mc007-3.jpg
d.
mc007-4.jpg
e.
mc007-5.jpg
 

 8. 

Find the sum mc008-1.jpg.
a.
mc008-2.jpg
b.
mc008-3.jpg
c.
mc008-4.jpg
d.
mc008-5.jpg
e.
mc008-6.jpg
 

 9. 

Find the sum of the polynomials.

mc009-1.jpg
a.
mc009-2.jpg
b.
mc009-3.jpg
c.
mc009-4.jpg
d.
mc009-5.jpg
e.
mc009-6.jpg
 

 10. 

Find the difference of the polynomials.

mc010-1.jpg
a.
mc010-2.jpg
b.
mc010-3.jpg
c.
mc010-4.jpg
d.
mc010-5.jpg
e.
mc010-6.jpg
 

 11. 

Find an expression for the perimeter of the figure. Assume all angles are right angles.

mc011-1.jpg                            9z



27z

a.
mc011-2.jpg
b.
mc011-3.jpg
c.
mc011-4.jpg
d.
mc011-5.jpg
e.
mc011-6.jpg
 

 12. 

Let F represent the number of female babies born in a certain city and M the number of male babies born in the same city. For the years 2000 to 2006 the number of females born in this city each year can be modeled by mc012-1.jpg and the number of males born in the city can be modeled by mc012-2.jpg. The variable t represents the number of years since 2000, that is, mc012-3.jpg. Add the polynomials to find a model for the total number of babies born in this city for the years 2000 to 2006.
a.
mc012-4.jpg
b.
mc012-5.jpg
c.
mc012-6.jpg
d.
mc012-7.jpg
e.
mc012-8.jpg
 

 13. 

Multiply: mc013-1.jpg
a.
mc013-2.jpg
b.
mc013-3.jpg
c.
mc013-4.jpg
d.
mc013-5.jpg
e.
mc013-6.jpg
 

 14. 

Multiply mc014-1.jpg and simplify.
a.
mc014-2.jpg
b.
mc014-3.jpg
c.
mc014-4.jpg
d.
mc014-5.jpg
e.
mc014-6.jpg
 

 15. 

Use a special product pattern to find the product mc015-1.jpg.
a.
mc015-2.jpg
b.
mc015-3.jpg
c.
mc015-4.jpg
d.
mc015-5.jpg
e.
mc015-6.jpg
 

 16. 

Use the identity mc016-1.jpg to find the product mc016-2.jpg.
a.
mc016-3.jpg
b.
mc016-4.jpg
c.
mc016-5.jpg
d.
mc016-6.jpg
e.
mc016-7.jpg
 

 17. 

When a clothing manufacturer sells x units of clothing, the revenue R (in dollars) is given by mc017-1.jpg. Find the revenue generated if 95 units are sold and determine whether revenue will increase or decrease if more units were sold.
a.
mc017-2.jpg
b.
mc017-3.jpg
c.
mc017-4.jpg
d.
mc017-5.jpg
e.
mc017-6.jpg
 

 18. 

After 2 years, an investment of $1500 compounded annually at interest rate r will yield mc018-1.jpg. Find this product.
a.
mc018-2.jpg
b.
mc018-3.jpg
c.
mc018-4.jpg
d.
mc018-5.jpg
e.
mc018-6.jpg
 

 19. 

Divide mc019-1.jpg. Assume the denominator is nonzero.
a.
mc019-2.jpg
b.
mc019-3.jpg
c.
mc019-4.jpg
d.
mc019-5.jpg
e.
mc019-6.jpg
 

 20. 

Divide mc020-1.jpg. Assume the denominator is nonzero.
a.
mc020-2.jpg
b.
mc020-3.jpg
c.
mc020-4.jpg
d.
mc020-5.jpg
e.
mc020-6.jpg
 



 
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