by DaleCallahan | Oct 18, 2017 | Blog
When you plan a road trip, you use math literally every step of the way. What you may not know, however, is the right math term for what you’re calculating. So today, I’m going to walk you through a few steps of planning a road trip so you can see how Algebra helps...
by DaleCallahan | Oct 13, 2017 | Geometry, Geometry Chapter 3, Known Geometry Errors
The book has a problem (x-3)(x^2 – 7x – 2) which results in an answer of x^3 – 10x^2 – 2x +19x + 6 The solution is incorrect in the new solutions manual ( the one with a bee on the cover) However, it is correct in the old solutions manual -the...
by DaleCallahan | Oct 13, 2017 | Algebra, Algebra Chapter 2, Errors, Known Algebra Errors
The test in the Teacher Guide for Test 2B on page 211 has an incorrect answer. The answer given in the solution manual is y=4x+1. The correct answer is y = 4x-3. Thanks Marybeth for catching this.
by DaleCallahan | Oct 4, 2017 | Algebra, Algebra Chapter 3, Known Algebra Errors
Angela’s son brought this error in the Earth cover Algebra I Solutions Manual to our attention. Thank you! The problem (Ch3.4 #9) wording changed completely from the salamander cover to the Earth cover. However, the solution in the old and new solutions manuals...
by DaleCallahan | Oct 3, 2017 | Real World Math
Just when you think math isn’t relevant in the real world, you learn that it takes math to make coffee. It takes machines to brew your coffee. Whether it’s a french press, a standard coffee brewer, or a pour over setup, when you make coffee,the...
