by DaleCallahan | May 8, 2013 | Geometry, Geometry General Course Questions
Question from Derek: I am considering your Geometry program for our children. However I am not convinced yet that I could grade geometric proofs fairly, consistently and accurately. Since proofs have mutiple possible correct answers depending on how the student writes...
by DaleCallahan | May 8, 2013 | Algebra, Algebra General Course Questions
Question from Chelle: About the Algebra DVD’s…. Has there been multiple productions? I’m thinking about purchasing from a friend and wanted to make sure I got the most current edition. Thanks! Answer from Dr. Callahan: Only one production, so you...
by DaleCallahan | May 8, 2013 | Algebra, Algebra Chapter 11
Question from Chris: Algebra 1 chapter 11 lesson 2 problem 5h: I see that you can cross out the (x + 7) in the numerator & denominator to get 3 /(x +3). Why can’t you simplify further by cancelling 3/3 so that the final answer is 1/x? Thanks Answer from Dr....
by DaleCallahan | May 8, 2013 | Geometry, Geometry Chapter 10
Question from Rene: Geometry – Chapter 10 Review #14 answer book says x=12.8, but we get x=5. What do you think? Answer from Dr. Callahan: Yes – a bit deceptive here. I think yours is reasonable. However, he is going by this. The long side of each...
by DaleCallahan | May 8, 2013 | Algebra II with Trig
What’s the difference between Algebra 2 with Trig and Precalculus? Here is our view… Algebra 2 with Trigonometry and Precalculus are usually the same thing with very little difference. If you put the Alg 2 with Trig book and the Precalc book by the same...
