Question from Kai:
Jacobs Algebra 1, Chapter 4, Lesson 4 (pg 167), problem 6 (c,d,e)
I don’t understand why the answers are negative.
Answer from Dr. Callahan:
Because in each case you have a minus sign in front of the fraction.
so – 1/2 is the same as -0.5.
If you put this in the calculator, you need to include the minus sign on the numerator side. So I would put in these keystrokes for -1/2
Hope this helps,