Errors, typos, and updates listed below were fixed in the book version identified by the prefix.
Edition 2
Below is a list of fixes. The underlined text was changed to the text in bold font.

v2.03: Page 95 Practice Test 4 Module 1 Question 10  in the second sentence For what value of x was changed to For what value of x does.

v2.03: Page 97 Practice Test 4 Module 2.1 Question 18  in the first sentence defined by the function f was changed to defined by the function f opens upward.

v2.03: Page 100 Practice Test 4 Module 2.2 Question 4  in the second sentence which of the following changed to what.

v2.04: Page 64 Practice Test 2 Module 2.1 Question 18  After x in the last sentence added does.

v2.04: Page 70 Practice Test 2 Module 2.2 Question 20  Answer choices changed to A) f(x)=0.5x+4 B) f(x)=x+2 C) f(x)=2x+2 D) f(x)=2x+7. Page 75  Answer 20 changed to reflect answer choices.

v2.04: Page 87 Practice Test 3 Module 2.2 Question 20  In the first sentence after f added f, written in the form f(x)=(x+r)(x+s), where r and s are constants.

v2.05: Page 118 Practice Test 5 Module 2.2  Question 3 Answer choice A 5 to 4.

v2.05: Page 120 Practice Test 5 Module 2.2  Question 12 Answer choice B 3x+5y=5 to 3x5y=5.

v2.05: Page 122 Practice Test 5 Module 2.2  Question 20 In the equation changed 0.25 to 0.75.

v2.06: Page 98 Practice Test 4 Module 2.1  Question 22 The graph of y=f(x)4 is to The graph of y=f(x+3) in. In the answer choice B table, changed points to (2, 8), (2, 0), and (4, 8).

v2.06: Page 107 Practice Test 4 Module 2.1  Answer 22 was corrected to reflect the above change in the question.

v2.07: Page 84 Practice Test 3 Module 2.2  Question 8 In the given equation +50 to 50.

v2.07: Page 91 Practice Test 3 Module 2.2  Answer 18 In the last sentence 34,930 to 34,390.

v2.08: Page 107 Practice Test 4 Module 2.1  Answer 16 In the equation 13 to 3.

v2.08: Page 112 Practice Test 5 Module 2.1  Question 4 Anaswer choice D 18 to 12.

v2.08: Page 124 Practice Test 5 Module 2.1  Answer 4 Change 18 to 12.
Below is a list of enhancements. The underlined text was changed to the text in bold font.

v2.04: Page 87 Practice Test 5 Module 2.2 Question 1  rooftop change to rooftop.