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Chapter P Post Test



 1. 

Give a verbal description of the subset of real numbers represented by the following inequality and sketch the subset on the real number line.

mc001-1.jpg
a.
mc001-2.jpg denotes the set of all real numbers less than or equal to mc001-3.jpg.
mc001-4.jpg
b.
mc001-5.jpg denotes the set of all real numbers greater than or equal to mc001-6.jpg.
mc001-7.jpg
c.
mc001-8.jpg denotes the set of all real numbers less than or equal to mc001-9.jpg.
mc001-10.jpg
d.
mc001-11.jpg denotes the set of all real numbers greater than mc001-12.jpg.
mc001-13.jpg
e.
mc001-14.jpg denotes the set of all real numbers less than or equal to mc001-15.jpg.
mc001-16.jpg
 

 2. 

Give a verbal description of the subset of real numbers represented by the following interval, and sketch the subset on the real number line.

mc002-1.jpg
a.
mc002-2.jpg denotes the set of all real numbers less than mc002-3.jpg.
mc002-4.jpg
b.
mc002-5.jpg denotes the set of all real numbers less than or equal to mc002-6.jpg.
mc002-7.jpg
c.
mc002-8.jpg denotes the set of all real numbers greater than mc002-9.jpg.
mc002-10.jpg
d.
mc002-11.jpg denotes the set of all real numbers equal to mc002-12.jpg.
mc002-13.jpg
e.
mc002-14.jpg denotes the set of all real numbers greater than or equal to mc002-15.jpg.
mc002-16.jpg
 

 3. 

Use inequality notation and interval notation to describe the set.

mc003-1.jpg is at least mc003-2.jpg and less than 0.
a.
Inequality : mc003-3.jpg
Interval : mc003-4.jpg
b.
Inequality : mc003-5.jpg
Interval : mc003-6.jpg
c.
Inequality : mc003-7.jpg
Interval : mc003-8.jpg
d.
Inequality : mc003-9.jpg
Interval : mc003-10.jpg
e.
Inequality : mc003-11.jpg
Interval : mc003-12.jpg
 

 4. 

Find the distance between mc004-1.jpg and mc004-2.jpg.

mc004-3.jpg
a.
mc004-4.jpg
b.
mc004-5.jpg
c.
mc004-6.jpg
d.
mc004-7.jpg
e.
mc004-8.jpg
 

 5. 

Identify the terms. Then identify the coefficients of the variable terms of the expression.

mc005-1.jpg
a.
mc005-2.jpg and mc005-3.jpg are the terms; mc005-4.jpg is the coefficient.
b.
mc005-5.jpg and mc005-6.jpg are the terms; mc005-7.jpg is the coefficient.
c.
mc005-8.jpg and mc005-9.jpg are the terms; mc005-10.jpg is the coefficient.
d.
mc005-11.jpg and mc005-12.jpg are the terms; mc005-13.jpg is the coefficient.
e.
mc005-14.jpg and mc005-15.jpg are the terms; mc005-16.jpg is the coefficient.
 

 6. 

Identify the terms. Then identify the coefficients of the variable terms of the expression.
mc006-1.jpg
a.
mc006-2.jpg, and mc006-3.jpg are the terms; mc006-4.jpg and mc006-5.jpg are the coefficients.
b.
mc006-6.jpg, and mc006-7.jpg are the terms; mc006-8.jpg and mc006-9.jpg are the coefficients.
c.
mc006-10.jpg, and mc006-11.jpg are the terms; mc006-12.jpg and mc006-13.jpg are the coefficients.
d.
mc006-14.jpg, and mc006-15.jpg are the terms; mc006-16.jpg and mc006-17.jpg are the coefficients.
e.
mc006-18.jpg, and mc006-19.jpg are the terms; mc006-20.jpg and mc006-21.jpg are the coefficients.
 

 7. 

Evaluate the following expression.

mc007-1.jpg
a.
49
b.
1
c.
–1
d.
0
e.
– 256
 

 8. 

Evaluate the expression below.
mc008-1.jpg
a.
mc008-2.jpg
b.
mc008-3.jpg
c.
1024
d.
mc008-4.jpg
e.
16
 

 9. 

Write the following exponential expression in simplest form.
mc009-1.jpg
a.
mc009-2.jpg
b.
mc009-3.jpg
c.
mc009-4.jpg
d.
mc009-5.jpg
e.
mc009-6.jpg
 

 10. 

Use a calculator to approximate the number. (Round your answer to three decimal places.)

mc010-1.jpg
a.
–10.075
b.
10.075
c.
–5.196
d.
5.196
e.
2.16
 

 11. 

Perform the operation and write the result in standard form.

mc011-1.jpg
a.
mc011-2.jpg
b.
mc011-3.jpg
c.
mc011-4.jpg
d.
mc011-5.jpg
e.
mc011-6.jpg
 

 12. 

Multiply or find the special product.

mc012-1.jpg
a.
mc012-2.jpg
b.
mc012-3.jpg
c.
mc012-4.jpg
d.
mc012-5.jpg
e.
mc012-6.jpg
 

 13. 

Multiply or find the special product.

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

 14. 

After 2 years, an investment of $mc014-1.jpg compounded annually at an interest rate r will yield an amount of mc014-2.jpg. Use a calculator to evaluate the polynomial for the values of r shown in the table. (Round the answer to two decimal places.)

r
mc014-3.jpg
mc014-4.jpg
mc014-5.jpg
mc014-6.jpg
mc014-7.jpg
mc014-8.jpg
     

What conclusion can you make from the table?
a.
mc014-9.jpg
b.
mc014-10.jpg
c.
mc014-11.jpg
d.
mc014-12.jpg
e.
mc014-13.jpg
 

 15. 

Write the rational expression in simplest form.

mc015-1.jpg
a.
mc015-2.jpg
b.
mc015-3.jpg
c.
mc015-4.jpg
d.
mc015-5.jpg
e.
mc015-6.jpg
 

 16. 

Perform the addition or subtraction and simplify.

mc016-1.jpg
a.
mc016-2.jpg
b.
mc016-3.jpg
c.
mc016-4.jpg
d.
mc016-5.jpg
e.
mc016-6.jpg
 

 17. 

Simplify the expression.

mc017-1.jpg
a.
mc017-2.jpg
b.
mc017-3.jpg
c.
mc017-4.jpg
d.
mc017-5.jpg
e.
mc017-6.jpg
 

 18. 

Plot the points below whose coordinates are given on a Cartesian coordinate system.
mc018-1.jpg
a.
mc018-2.jpg
d.
mc018-5.jpg
b.
mc018-3.jpg
e.
mc018-6.jpg
c.
mc018-4.jpg
 

 19. 

Determine the quadrant(s) in which mc019-1.jpg is located so that the condition(s) is (are) satisfied.

mc019-2.jpg
a.
Quadrant II or IV
b.
Quadrant III or IV
c.
Quadrant IV
d.
Quadrant I
e.
Quadrant II
 

 20. 

Use the Midpoint Formula to estimate the sales of Big Lots, Inc. in 2005, given the sales in 2003 and 2007. Assume that the sales followed a linear pattern.

Big Lots

YearSales (in millions)
20034074
20074350
a.
mc020-1.jpg million
b.
mc020-2.jpg million
c.
mc020-3.jpg million
d.
mc020-4.jpg million
e.
mc020-5.jpg million
 



 
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