Announcements
- The college is on a Monday schedule on tomorrow (Thurs Feb 22), so we will have class tomorrow
- WebWork schedule:
Topics
We reviewed Quiz #1:
We did some WebWork exercises on “factoring by grouping” (Sec 1.2.6):
We revisited the exercises above the quiz and “reversed” them–we factored the resulting quadratics by factoring by grouping:
We then introduced the “ac-method” for factoring quadratic polynomials (ax^2 + bx + c), by first looking at the simpler case when a=1:
See Examples 1.2.7.1 and 1.2.7.4 in Sec 1.2.7.
Recent Comments