Figure 5.64 The ski lifts and the mountain both have a slope. (credit: modification of work “colorado springs zoo tram” by woodleywonderworks/Flickr, CC BY 2.0) Learning Objectives After completing this module, you should be able to: In this section, we will expand…

Figure 5.55 A small group of elementary students learning from their teacher. (credit: modification of work “Our school” by Woodleywonderworks/Flickr, CC BY 2.0 ) Learning Objectives After completing this section, you should be able to: In this section, we will learn about…

Figure 5.39 The Gateway Arch in St. Louis, Missouri (credit: modification of work “Gateway Arch – St. Louis – Missouri” by Sam valadi/Flickr, CC BY 2.0) Learning Objectives After completing this section, you should be able to: In this section, we will…

Figure 5.18 How much would it cost to fill up your gas tank? (credit: “Gas Under 4 Bucks” by Mark Turnauckas, Flickr/CC BY 2.0) Learning Objectives After completing this section, you should be able to: In this section, we will learn how…

Figure 5.15 This bar graph shows popular social media app usage. (Source) Learning Objectives After completing this section, you should be able to: Ratios and proportions are used in a wide variety of situations to make comparisons. For example, using the information…

Figure 5.5 These poll results, showing a margin of error at 4 percent, are an example of a real-world scenario that can be represented by linear inequalities. Learning Objectives After completing this section, you should be able to: In this section, we…

Figure 5.4 Most gyms have a monthly membership fee. (credit: modification of work “Morning PT after the Holidays 2021” by Fort Drum & 10th Mountain Division (LI)/Flickr, Public Domain Mark 1.0) Learning Objectives After completing this section, you should be able to:…

Figure 5.2 Two college graduates! (credit: modification of work UC Davis College of Engineering/Flickr, CC BY 2.0) Learning Objectives After completing this section, you should be able to: Algebraic expressions are the building blocks of algebra. While a numerical expression (also known as…

Figure 5.1 In these algebraic equations, the xx represents different numbers. (credit: Larissa Chu, CC BY 4.0) Chapter Outline 5.1 Algebraic Expressions 5.2 Linear Equations in One Variable with Applications 5.3 Linear Inequalities in One Variable with Applications 5.4 Ratios and Proportions 5.5 Graphing Linear Equations and Inequalities 5.6 Quadratic…