files/ Marissa F -- Blogmeister
 Marissa's Blog This blog is for Miss Jovanovich's algebra and geometry classes to share ideas, ask questions, and reflect on what skills and topics we are studying. If we are lucky, we might even get a chance to connect with other students studying the same stuff.
 by Marissa F teacher: Tina Jovanovich

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Twenty-third Blog This blog is the twenty-third of my personal weekly blog

This blog was supposed to be posted last week but blogmeister was down! Oh no! We got everything squared away though, so yay! Last week was pretty gloomy, the weather hasn't been that nice until this weekend! Last week in geometry we started learning more in trigonometry and then started learning about law of sines and law of cosines! It's been pretty easy, but some things trip me up easily. Anyways the year is winding down and I can not wait until SUMMER!

Midterms start this week!

Here is a review question on what we have learned in Geometry!

Ms. J told us that studying our tests and quizzes would be most helpful so that is exactly what I will be doing! A particular unit that I didn't fair so well on was working with the lines of triangles!

Here is a review question from the Lines of Triangles Quiz that we took on February 7th.

Which of the following are the slopes of two perpendicular lines?

a. 3 and -3 b. 5 and 1/5 c. no slope and undefined d. -2/3 and 3/2

If you recall that the slope of any line perpendicular to another is the negative reciprocal, then this problem is easy to solve! A is not the answer because the negative reciprocal or 3 would be -1/3. B does not work because the negative reciprocal of 5 would be -1/5. c does not work because they aren't specific lines! THEREFORE D IS THE ANSWER!

and to prove it..

the negative reciprocal of -2/3 would be - ( -3/2) or 3/2!