Journal Entry

Sunday, April 18, 2010

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

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