Exam 2 Review Worksheet - Equations, Linear Inequalities, Absolute Value (Page 5 of 9) in pdf

Exam 2 Review Worksheet - Equations, Linear Inequalities, Absolute Value Page 5

(a)

(b)

(c)

Chapter 1, Section 6

Do you know:

1. What is meant by the term “extraneous solution”?

2. When is it necessary to check for extraneous solutions?

3. How can squaring both sides help in solving absolute value equations?

4. How can you recognize when an equation is of quadratic type?

Practice Problems:

1. Solve the following equations (Remember you CAN have answers which are complex numbers).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

2. A hard court version of the game broomball becomes popular on college campuses because it

enables people to hit each other with a stick. The court is rectangle with diagonal 40 feet and

area 800 square feet. Find the dimensions to one decimal place. (Hint: Use the Pythagorean

Theorem)

Chapter 2, Section 1

Do you know:

1. How to explain how to graph an equation of two variables using point-by-point plotting.

2. How to tell if a graph is symmetric about the y-axis, x-axis, and/or origin?

Practice Problems:

Exam 2 Review Worksheet - Equations, Linear Inequalities, Absolute Value Page 5