by DaleCallahan | May 13, 2013 | Algebra, Algebra Chapter 2
Question from Nathan: Lesson 5 Chapter 2 page 93 number 7. I do not understand the answer to a and b and my mom cannot explain it to me. Difference to me is subtraction not multiplication and the answer said it is the difference between successive values of Y on a....
by DaleCallahan | May 8, 2013 | Geometry, Geometry General Course Questions
Question from Mom: We are wrapping up Alg. 1 and are ready to open up Geometry w/ Ask Dr. Callahan DVDs. We are, um, a bit behind schedule and I am wondering if this is a text that must be completed to the end or if there is a good chapter cut-off where we can call it...
by DaleCallahan | May 8, 2013 | Algebra 2 wTrig Chapter 3, Algebra II with Trig
Question from Rachel: Question involving absolute value in Algebra 2: 3.4. Example 5 on page 233 states that “If X<0, then |x| = -x. That really confused me. I thought that absolute value was just that – absolute! There are not supposed to be any...
by DaleCallahan | May 8, 2013 | Algebra 2 wTrig General Course Questions, Algebra II with Trig
Question from Kathyrn: It appears the DVD and Guides only go through Chapter 8. Is this correct? If so, are there plans for going through the entire book with DVD and Guides? Answer from Dr. Callahan: Yes, it goes only through chapter 8. We have no schedule for doing...
by DaleCallahan | May 8, 2013 | Algebra, Algebra General Course Questions
Question from Victoria: Harold Jacobs Elem. Algebra…is the online Teacher’s Guide suppose to have the answers to what’s in the Elm. Alg. book? Answer from Dr. Callahan: You need the “Solutions Manual for Elementary Algebra” by Harold...
