Homework
In case you miss a homework assignment in class, you can find it below.
Unless otherwise specified,
all problems
are from the 3rd Edition
of Elementary & Intermediate Algebra published by Pearson.
When I return graded homework, I may post some solutions here too;
see the downloading help
if you have trouble reading them.
(See the grading policies
for general instructions on doing homework and how it will be graded.)
- Introduction and review:
- Date assigned: October 3 Thursday.
- Date due: October 8 Tuesday.
- Problems from Section 1.1 (pages 7&8):
No additional work needed: 1–8.
- Problems from Section 1.2 (Quick Check):
- Show at least one intermediate step if the number is not prime:
3–6;
- Show at least one intermediate step
if the fraction is not already in lowest terms:
20, 21, 22;
- No additional work needed: 27–31;
- Show your long division (or another method by hand): 32–35;
- Show at least one intermediate step if the fraction must be reduced:
36, 37, 38.
- Extra credit (essay):
Explain your background in mathematics
and what you are going to use this course for.
- The real numbers:
- Date assigned: October 8 Tuesday.
- Date due: October 10 Thursday.
- Problems from Section 1.3 (pages 25–27):
No additional work needed: 37–68, 79–88.
- Problems from Section 1.4 (pages 35–37):
- No additional work needed: 59, 61, 95, 97, 99;
- Show what numerical calculation you make
(if you use a calculator, then show what you type into it),
as well as your final answer:
129–149 odd.
- Problems from Section 1.5 (pages 46&47):
- No additional work needed: 53, 55;
- Show what numerical calculation you make
(if you use a calculator, then show what you type into it),
as well as your final answer:
135, 137.
- Units and powers:
- Date assigned: October 10 Thursday.
- Date due: October 15 Tuesday.
- Problems from Section 1.6 (pages 54&55):
Show what numerical calculation you make,
and include proper units in your final answer:
19–27 odd.
- Problems from Section 1.7 (pages 62&63):
- No additional work needed: 29–32;
- Show at least one intermediate step (not from a calculator):
33–53 odd.
- Problems from Section 5.4 (pages 343&345):
- No additional work needed: 51–58;
- Show at least one intermediate step (not from a calculator):
63, 71, 73.
- Order of operations and identities:
- Date assigned: October 15 Tuesday.
- Date due: October 17 Thursday.
- Problems from Section 1.7 (pages 62&63):
Show at least one intermediate step following the order of operations:
55–71 odd, 75, 77, 79, 83, 87, 89, 91, 95, 97, 99.
- Problems from Section 1.6 (pages 54&55):
- Show an intermediate step
using an identity to make the problem simpler:
45–53 odd;
- No additional work needed: 55, 56, 59, 60, 61.
- Problems from Section 1.4 (pages 35–37):
- Optional if you need practice adding with negative numbers:
43–57 odd;
- Optional if you need practice subtracting with negative numbers:
63–77 odd;
- Optional if you need practice multiplying with negative numbers:
79–93 odd;
- Required, no additional work needed: 101–127 odd.
- Problems from Section 1.5 (pages 46&47):
- Optional if you need practice multiplying with fractions:
43–51 odd;
- Optional if you need practice dividing with fractions:
57–65 odd;
- Optional if you need practice adding and subtracting with fractions:
67–81 odd;
- Required, no additional work needed:
103–111 odd.
- Exponential identities, algebraic expressions:
- Date assigned: October 17 Thursday.
- Date due: October 22 Tuesday.
- Problems from Section 5.2 (pages 322&323):
Show at least one intermediate step using an exponential identity:
21, 23, 35, 37.
- Problems from Section 5.4 (pages 343&345):
Show at least one intermediate step using an exponential identity:
33, 43, 79, 97, 99, 101.
- Problems from Section 5.6 (pages 357–359):
- No intermediate work needed:
27–75 odd;
- Show at least one intermediate step using an exponential identity:
77–87 odd.
- Problems from Section 1.8 (pages 69–71):
Show what numerical calculations you make: 39–49 odd.
- Problems from Section 5.1 (pages 315–318):
Show what numerical calculations you make: 87, 89.
- Formulas, polynomials:
- Date assigned: October 22 Tuesday.
- Date due: October 24 Thursday.
- Problems from Section 2.4 (pages 115–119):
Show what numerical calculations you make: 23–39 odd.
- Problems from Section 1.8 (pages 69–71):
- No additional work needed: 51–54.
- No additional work needed: 63–81 odd;
- Show at least one intermediate step for each: 83–91 odd;
- Show the simplified form
and show what numerical calculations you make to evaluate:
103;
- Show what numerical calculations you make to evaluate: 121.
- Problems from Section 5.1 (pages 315–318):
- No additional work needed: 29–40;
- No additional work needed;
ignore ‘binomial’ and ‘trinomial’
but instead classify polynomials as monomial or other:
41–56;
- Show at least one intermediate step for each:
57–65 odd, 71–81 odd,
93–99 odd, 107.
- Graphing formulas:
- Date assigned: October 24 Thursday.
- Date due: October 29 Tuesday.
- Problems from Section 3.1 (pages 178–182):
- No additional work needed: 19, 25;
- Show what numerical calculations you make: 39, 41.
- Problems from Section 3.2 (pages 192–195):
Show a table of values
using at least three values of x,
at least one negative and at least one positive:
33, 35, 37.
- Word problems involving expressions, testing solutions:
- Date assigned: October 29 Tuesday.
- Date due: October 31 Thursday.
- Problems from Section 2.5 (pages 129–131):
No additional work needed: 27–52.
- Problems from Section 5.1 (pages 315–318):
Show what numerical calculations you make
(if the answer has no variables in it)
or what expression you simplify (if the answer has a variable in it):
119–129 odd.
- Problems from Section 2.1 (pages 89–91):
Show what numerical calculations you make: 25–31 odd.
- Problems from Section 3.1 (pages 178–182):
Show what numerical calculations you make: 27, 29, 31.
- Problems from Section 3.7 (pages 237–239):
Show what numerical calculations you make: 15, 16, 17, 21.
- Notation for sets, simple linear equations:
- Date assigned: October 31 Thursday.
- Date due: November 5 Tuesday.
- Problems from Section 1.3 (pages 25–27):
No additional work needed: 25–30;
- Problems from Section 2.8 (pages 157–159):
No additional work needed: 37–50.
- Problems from Section 8.6 (pages 581–584):
No additional work needed: 43, 44, 67, 68.
- Problems from Section 2.1 (pages 89–91):
Show at least one intermediate step for each equation:
33–85 odd.
- More linear equations:
- Date assigned: November 5 Tuesday.
- Date due: November 7 Thursday.
- Problems from Section 2.2 (pages 96–98):
Show at least two intermediate steps for each equation:
25–55 odd, 63–71 odd, 91.
- Problems from Section 2.3 (pages 105–107):
Show at least two intermediate steps for each equation:
63, 65, 67.
- Tricky linear equations, inequalities:
- Date assigned: November 7 Thursday.
- Date due: November 12 Tuesday.
- Problems from Section 2.3 (pages 105–107):
- Show at least two intermediate steps for each equation,
the first of which must clear fractions:
27–35 odd, 45–53 odd;
- Show at least two intermediate steps for each equation:
69–79 odd.
- Problems from Section 2.8 (pages 157–159):
Show at least one intermediate step for each: 59–81 odd.
- Compound inequalities, word problems:
- Date assigned: November 12 Tuesday.
- Date due: November 14 Thursday.
- Warning:
Be sure to include correct units (when applicable) in your final answers!
- Problems from Section 8.6 (pages 581–584):
Show at least one intermediate step for each:
51–59 odd, 85, 89, 93.
- Problems from Section 2.1 (pages 89–91):
No additional work needed,
but think about how you could come up with the equation on your own:
103, 105;
- Problems from Section 2.2 (pages 96–98):
No additional work needed,
but think about how you could come up with the equation on your own:
77, 79, 81;
- Problems from Section 2.3 (pages 105–107):
No additional work needed,
but think about how you could come up with the equation on your own:
105–111 odd.
- Problems from Section 2.5 (pages 129–131):
- No additional work needed: 53–60;
- Show at least what equation you solve:
61–73 odd, 79, 81.
- Word problems with inequalities and percentages:
- Date assigned: November 14 Thursday.
- Date due: November 19 Tuesday.
- Problems from Section 2.8 (pages 157–159):
- No additional work needed: 89–98;
- Show at least what inequality you solve:
117, 119, 121.
- Problems from Section 2.6 (pages 136–138):
Show what numerical calculation you make or what equation you solve:
19–53 odd.
- Problems from Section 8.6 (pages 581–584):
- No additional work needed: 101, 102;
- Show at least what compound inequality you solve:
103–109 odd.
- Tricky word problems, multiple variables:
- Date assigned: November 21 Thursday.
- Date due: November 26 Tuesday.
- Problems from Section 2.7 (pages 145–147):
- Show at least what equation you solve: 21, 23, 27;
- No additional work needed: 29, 30;
- Show at least what equation you solve:
39–45 odd.
- Problems from Section 2.4 (pages 115–119):
- No additional work needed;
assume that all variables stand for positive numbers:
43–52;
- No additional work needed: 57;
- Show at least one intermediate step: 59, 61, 63;
- Show what numerical calculation you make or what equation you solve
for each part B:
65, 67, 71;
- Show what numerical calculations you make or what equations you solve:
83, 85.
- Graphing in two variables:
- Date assigned: November 26 Tuesday.
- Date due: December 3 Tuesday.
- Problems from Section 3.1 (pages 178–182):
- Show what numerical calculations you make or what equations you solve:
33, 35, 37, 43, 45, 47.
- Problems from Section 3.2 (pages 192–195):
- No additional work needed: 25–32;
- Give a table of values with at least three entries
and show what formula you use to find them:
39–49 odd;
- No additional work needed: 51–58;
- Show what numerical calculations you make or what equations you solve:
59–75 odd;
- No additional work needed: 87–94;
- Show what numerical calculations you make or what equations you solve:
107, 109;
- No additional work needed: 111–118.
- Problems from Section 8.6 (pages 581–584):
Extra credit:
Show the solutions for each half, as well as the combined answer:
45, 47, 49, 69, 71.
- Problems from Section 8.7 (pages 592–594):
Extra credit:
Show at least one intermediate step without an absolute value operation:
45, 51, 61, 67, 79.
- Slope and lines:
- Date assigned: December 3 Tuesday.
- Date due: December 5 Thursday.
- Problems from Section 3.4 (pages 212–214):
- No additional work needed: 21–27 odd;
- Show the equation solved for y: 29–35 odd;
- No additional work needed; 37–47 odd;
- Show the equation solved for y: 49–55 odd;
- No additional work needed: 57–67 odd.
- Problems from Section 3.3 (pages 202–205):
- Show what numerical calculation you make,
or show where the answer appears on a graph:
13–31 odd;
- No additional work needed: 37–44, 45–57 odd;
- Optional: 67;
- Extra credit (show lots of work): 68.
- Problems from Section 3.5 (pages 219–221):
- Show at least one intermediate step for each
that is more than simply an incomplete answer:
13–27 odd;
- No additional work needed: 29–36;
- Show at least two intermediate steps for each:
37–47 odd;
- No additional work needed: 87, 88.
- Comparing lines, systems of linear equations:
- Date assigned: December 5 Thursday.
- Date due: December 10 Tuesday.
- Problems from Section 3.6 (pages 228–230):
- No additional work needed: 21–34;
- Show what numbers you compare: 35, 37;
- Show at least one intermediate step for each:
43–49 odd, 55–63 odd, 77, 79, 81;
- Show what numerical calculations you make: 83, 85.
- Problems from Section 4.1 (pages 257–259):
- Show what numerical calculations you make:
17, 19;
- No additional work needed: 39–46.
- Problems from Section 4.2 (pages 265–267):
Show your intermediate step immediately after substituting:
13, 15, 17, 23, 25, 35–41 odd.
- Problems from Section 4.3 (pages 274–276):
- Show your intermediate steps
immediately before and after adding two equations:
13, 15, 17, 27–35 odd;
- Show enough work that I can tell which method you used:
47, 49, 55.
- Multiplying polynomials and similar expressions:
- Date assigned: December 10 Tuesday.
- Date due: Never!
- Problems from Section 5.2 (pages 322&323):
- No additional work needed: 25–31 odd, 39;
- Show at least one intermediate step for each:
43–59 odd, 67–79 odd.
- Problems from Section 5.4 (pages 343&345):
- No additional work needed:
35–41 odd, 45, 47, 49, 59, 61, 65, 67, 69, 75, 77, 81, 83, 85;
- Show at least one intermediate step for each:
87–95 odd, 105–109 odd, 123, 125, 127.
- Problems from Section 5.3 (pages 331–333):
- Show at least one intermediate step for each: 35–47 odd;
- Show at least one intermediate step for each, using a special form:
49–81 odd;
- Show at least one intermediate step for each:
83–93 odd, 111, 129, 131.
That's it!
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