by DaleCallahan | Apr 23, 2016 | Calculus, Calculus Tests
Question from Beverly: #3 – on the test copy I have says to use three equal subintervals. But in the handwritten solution, it appears that they used 6. If the student uses 3 subintervals wouldn’t the ∆X be 2 and the right endpoint sum be 0.2, left end...
by DaleCallahan | Apr 4, 2016 | Geometry, Geometry Chapter 14, Geometry Tests
Question: how do we work the problem on Chapter 14 test #4. Answer from Harold Jacobs: Since all 16 white regions are identical, we can find the area of one of them and multiply it by 16. This figure represents one of the 16 small squares and one of the white regions....
by DaleCallahan | Feb 26, 2016 | Geometry, Geometry Chapter 10, Known Geometry Errors
Kerry Asked: In Chp. 10, Lesson 4, Set III Question 4 the textbook asks “Why is QD/AC = DB/CD?” Shouldn’t it be DB/CB instead of DB/CD? Dr. Callahan Answered: Again you are correct. This is an error in the new printing of the 3rd edition by My...
by DaleCallahan | Feb 26, 2016 | Geometry, Geometry Chapter 10, Known Geometry Errors
Kerry wrote: For Ch. 10, Lesson 2, Set III number 4 asks for rectangles with a ratio of 3/4. The key says there are 4 rectangles that have dimensions of 1.5×2. ABHG is correct, but the other three rectangles seem to be wrong. The key lists BDJI (which...
by DaleCallahan | Feb 22, 2016 | Geometry
If you are looking for details on for a transcript for Jacobs Geometry Course, this description should do the trick. Geometry is a branch of mathematics that deals with the understanding of the world around us by using measurement, properties, and relationships of...
