News & Resources
Algebra II with Trig Ch8.3 #26
Question from Elisha: I just took the Trig. Final Test for your Alg. 2/ Trig. Course. My mom and I were checking it and on problem 26 from section 8.3, my answer is different from the one you give in the answers. I see that you add 45 degrees to the 25-degree angle...
Geometry or Algebra 2 with Trig First?
Question from Melissa: I am trying to decide which course to do first? My son is finishing 8th grade this year and has completed Alg 1. As a freshman, he would need either Geometry or Alg2/Trig. Is there a preferred sequence? Would the sequence matter for the SAT...
DVDs on Windows 8
Question from Joe: The DVDs do not seem to play on Windows 8. Any suggestions? Answer from Dr. Callahan: Try this How to Play DVDs on Windows 8
Algebra 1 Ch2.3#6
Question: We just started Elementary Algebra a couple weeks ago after frustration with Saxon. We are struggling with Chapter 2, Less 3, #6. How do I teach my son to determine if these graphed coordinates are a function? He understands the tables and graphing...
Algebra Solutions Manual Errors
Ch10.6 #17c The correct answer should have a minus sign and be (x^3 - y^3)^2
Algebra 1 Test 2 #7
First the total point on the test should be 56 and not 58! Second - the wrong problem is solved in the solutions. Should read Area = 48 So to solve for x you get 6(x+5) = 48 6x + 30 = 48 6x = 18 x = 3
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