This Blog exists for the collective benefit of all algebra students. While the posts are specific to Mr. Chamberlain's class, any and all "algebra-ticians" are welcome. The more specific your question (including your own attempts to answer it) the better.
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Tuesday, February 15, 2011
hw #6-4 Solving Systems; Wierd Things; Which Method to Use...
... did I mention a QUIZ??!!!
KNOW YOUR VOCAB (see pg 361 )
See page 389 (only if you want to do well on the quiz)
I received a chat question on pg 389 #21 asks a question about a graph made to find a break-even point for a business, that ends up having no solution. That's a toughie, given that they don't explain the two lines at all.
When you graph the break-even point for a business, you are graphing the "income line" vs the "expense line."
Initially, you pay a fixed cost to start the business (aka y-intercep?) and then pay costs as you go (aka the line at a certain rate of change). The income line starts at zero and (hopefully) goes up and to the right.
If you graph both lines and there is no solution, that means that the lines have the same slope, which means that expense are rising as fast as income... which means you are in the wrong business cuz you'll never make money!
If that was your only question, you are in VERY GOOD shape!
anyone wanna chat, later (8:30 or 9 or so?)
ReplyDeletelmk
I would like to chat!!
ReplyDeleteI received a chat question on pg 389 #21 asks a question about a graph made to find a break-even point for a business, that ends up having no solution. That's a toughie, given that they don't explain the two lines at all.
ReplyDeleteWhen you graph the break-even point for a business, you are graphing the "income line" vs the "expense line."
Initially, you pay a fixed cost to start the business (aka y-intercep?) and then pay costs as you go (aka the line at a certain rate of change). The income line starts at zero and (hopefully) goes up and to the right.
If you graph both lines and there is no solution, that means that the lines have the same slope, which means that expense are rising as fast as income... which means you are in the wrong business cuz you'll never make money!
If that was your only question, you are in VERY GOOD shape!
Okay, I got it! :)
ReplyDeleteTo make 2 equations out of #16, what would you do? I have only one so far..
ReplyDelete.45s+1.25c=200
s= # of single scoop icecreams
c= # of cones