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MfM Math Discussion, Help & Advice

MiKeY188 said:
[qimg]http://i39.tinypic.com/eipf5s.png[/qimg]​

Whats this thread for:
I know theres some people who are good at Math and some who arnt so good. This thread is where you can receive Help, advice and discuss problems which you may be having on any Math matter.


Algebra is a branch of mathematics that uses mathematical statements to describe relationships between things that vary over time. These variables include things like the relationship between supply of an object and its price. When we use a mathematical statement to describe a relationship, we often use letters to represent the quantity that varies, since it is not a fixed amount. These letters and symbols are referred to as variables. (See the Appendix One for a brief review of constants and variables.)

The mathematical statements that describe relationships are expressed using algebraic terms, expressions, or equations (mathematical statements containing letters or symbols to represent numbers). Before we use algebra to find information about these kinds of relationships, it is important to first cover some basic terminology. In this unit we will first define terms, expressions, and equations. In the remaining units in this book we will review how to work with algebraic expressions, solve equations, and how to construct algebraic equations that describe a relationship. We will also introduce the notation used in algebra as we move through this unit

The basic unit of an algebraic expression is a term. In general, a term is either a number or a product of a number and one or more variables. Below is the term
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I spent a whole semester learning linear algebra, and that didn't even teach me about homogeneous coordinates, which I later learned when I took the graphics course.

So um, good luck.
 
Can someone please help me with this problem? I don't have any clue how to do parts B and on. He taught it through excel but my version is old

QUESTION 1 The U.S. Census Bureau has projected the U.S. population for the years 2000 through 2100, according to the
data in the table below. (A) Plot a scatter diagram of the data. (B) Use Excel's ADD TRENDLINE or your
calculator to find the quadratic regression equation of the best fitting parabola to the data and graph it
on the scatter diagram. (C ) Use your regression model to predict the population for the years 2015, 2075,
and 2110. Round your answers for a, b, and c to three decimal places. Plot t on the horizontal axis and
the population on the vertical axis.
Year t Popn (000s)
2000 0 275,306
2010 10 299,862
2020 20 324927
2030 30 351070
2040 40 377350
2050 50 403687
2060 60 432011
2070 70 463639
2080 80 497830
2090 90 533605
2100 100 570954

Any clue?
 
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