Algebra 2 Part 1 Chapter 1

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Chapter 1 is named Linear Functions which I have been trying how to explain that to you when there is no Glossary in the book. Therefore, I am assuming that learning about the terms will actually be within the reading and if you do not take notes, you will not have any definitions. As the chapter starts, it says that "Llinear equations' are a fundamental part of algebra." This chapter will cover the following: Solving linear equations and i equalities; Writing and graphing equations of lines and inequalities; Solving systems of equations both alphabetically and graphically; Solving systems of inequalities graphically; and Solving problems with direct and inverse variation. Listing the sections of the chapter Linear Models Linear Inequalities in Two Variables Solving Linear Equations in Systems of Two Linear Equations One Variable Systems of Two Linear Inequalities Solving Linear Inequalities in Direct and Inverse Variation One Variable Grandma looked up the definition of Linear on Google and this is what it said, "Means relating to or resembling a line or having one dimension; Also meaning something in long and narrow or that it follows a specific order. So now here it goes. The first section of the chapter talks about how we use tools or 'models' as 'graphs', 'tables' and lines into 'linear equations' to explain and evaluate and extend information about 'real-life situations'. The book brings up an example called a 'linear model' of "a small aircraft is flying at an altitude of 10,000 feet and begins to descend at a steady rate of 600 feet per minute." so they modeled it as follows: With a 'Table' recording and a Graph marking and an Equation Time t The Altitude a (minutes) a (feet) ^ 0 10,000 10,000 l\ 1 9,400 8,000 l \ 2 8,800 6,000 l \ a = 10,000 - 600t 3 8,200 4,000 l \ 4 7,600 2,000 l \ 5 7,000 l ______\ t (with arrows at the ends of the 0l12345 lines)