Lesson 7
Part II (Introduction to Notes and Verify, continued)
In this part, you will learn how to use the Verify application. As you will see, this is a very useful application that will assist you in simplifying expressions without actually giving you the answer. Verify can be used in either the Main application or in eActivity.
1. Inserting a Verify Application

2. Adding Fractions with Verify

3. Factoring with Verify
4. Factoring with Complex Numbers
Recall that when we are working with complex numbers:
and ![]()

Part II
Practice Exercises
- Please open the Main application (
) and clear the window. - Insert a Verify window by clicking the second down arrow on the toolbar and selecting
(Verify’s icon). - Factor 60 completely inside Verify showing at least three lines.
- With your Verify window showing, get a screen capture and paste it into your Lesson 7 document (under a title of PART II).
- Return to eActivity and open the eActivity titled L7_PartII_a in the Lesson 7 folder.
- Near the top of the eActivity, there is a Notes strip that reviews Order of Operations for you. Please read it!
- Once you have reviewed the Order of Operations, expand the first Verify strip (labeled Exercise 1). Simplify the expression inside showing each step of your work.
- With your Verify strip labeled Exercise 1 open, get a screen capture. Add two blank spaces following the first screen capture and then paste this one.
- Expand the second Verify strip (labeled Exercise 2). Simplify the expression inside showing each step of your work.
- With your Verify strip labeled Exercise 2 open, get a screen capture. Add two blank spaces following the second screen capture and then paste this one.
- Return to the eActivity window and save your work as an eActivity named L7_PartII_a_your initials here.
- Open the eActivity titled L7_PartII_b in the Lesson 7 folder.
- Expand the first Verify strip (labeled Exercise 1). Simplify the expression inside showing each step of your work.
- With your Verify strip labeled Exercise 1 open, get a screen capture. If all your steps do not show in the half window, you can click Resize to maximize it. Paste the screen capture on the next line following the first three for this part.
- Expand the second Verify strip (labeled Exercise 2). Simplify the expression inside showing each step of your work.
- With your Verify strip labeled Exercise 2 open, get a screen capture. Add two blank spaces following the last screen capture and then paste this one.
- Save your work as an eActivity named L7_PartII_b_your initials here