Journal Entry

March 8, 2010

Today in class, we got our math test back. Then, we corrected some of the questions from the test that everyone had trouble with. Here's one question from the test: simplify by combining like terms:

(2c²+4)+(-c²-2)-(-3c²+4c-4)-(2c²+c+3)

c²+2+(3c²-4c+4)+(-2c²-c-3)

2c²-5c-1

Then we learned :

First

Outside

Inside

Last

It's FOIL which is used for multiplying binomials.

Here's an example:

That's all we did in class today. Now this is for homework:

-7-5 (blue sheet)

-write on your journal

-comment on the blog