817 Math Blog

John: Argh...
Ray: What was that for?
Ray: Ehh... Algebra
Ray: All, I see. The OL' BREAKDOWN!
John: Ehh...
Ray: Is that all you're going to say.
John: OH, FO SHIZZ!
Ray: Ill tell you what. I'll help you since its Chritmas
John: OKAY!
Ray: What's your first questions?
John: n+3-5n+12. I think the answer is -6n+15 (real answer is -4n+15, figure out now I got this )

n+3-5n+12
n-5n+3+12

N ( 5 4 3 2 1 ) P
-4n+15

Today in class we started a new unit which is called Integers. After we talk about Algebra Tiles and Number Line, this year it's different we have to do multiplying Integers, and Dividing Integers.


Then we had homework on Integers pg. 39-40

A.

1.Negative
2.Positive
3.Negative
4.Positive
5.Negative
6.Positive

B.

1.( - )
2.(+ )
3.( + )
4.( - )
5.( + )
6.( - )

C.

1.-6,-4,0,+2,+5
2.-4,-1,0,+2,+5
3.-2,-1,0,+2,+4

D.

1.+8,+10,+12
2.+1,+5,+9
3.+4,+9,+14
4.+1,+6+11
5.-1,0,+1
6.+21,+25,+29

E.

1.<>
4.>
5.>
6.=
7.<>
10.<
11.<
12.<

F.

1.-3,+3,+5,+7
2.-3,+3,+5,-4
3.0,-3,+4,+5,-7
4.0,-2,-3,-4,-4
5.-2,-3,-5,-7,+7
6.-30,-40,-80,-88
7.-3,+4,+5,+7,-7
8.0,+3,-3,-6,+7
9.-1,-6,-9,-14,-24
10.-1,+1,-3,-4,-5,-6,-7

Sorry Mr. Harbeck some of the question i forgot to do.

The Next scribe I choose is JP :D.

Mean

• The sum of a set of values divided by the number of values in the set.
• Arrange the data in ascending order.

Median

• The middle number in a set of data after have been arranged in order.
• The median is a measure of central tendency that describes the middle of the set
  of data.

Mode

• The mode is the most frequently occurring value in a set of data.
• The item in a list of numbers that appears most often is the mode. For example:

Range

• The range of a set of data is the difference between the highest and lowest values in the set.
• Range is obtained by taking the difference of the maximum and minimum values of a given data set.