'Correct equation' diaporamas de présentation

Conics

Conics. Parabolas. Definition - a parabola is the set of all points equal distance from a point (called the focus) and a line (called the directrix). Parabolas are shaped like a U or C. Parabolas. Equations - y = a(x - h) 2 + k opens up if a > 0, opens down if a < 0. x = a(y - k) 2 + h

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Teaching Secondary Mathematics

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Literacy in the mathematics classroom

Literacy in the mathematics classroom. Aaron Wilson SLP February 2011. NZ Curriculum. Each learning area has its own language. As students discover how to use them, they find they are able to think in different ways, access new areas of knowledge, and see their world from new perspectives

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Teaching Secondary Mathematics

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Density

Density. What is Density?. Density is defined as mass per unit volume. Density = Mass. Volume. Density describes how matter is packed into space. Density is a derived unit. It is calculated from other measurements. Density is a physical constant.

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28.) If 15.0 grams of Hg react with 20.0 grams of O 2 , what mass of HgO is formed?

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Cubic Functions

Cubic Functions. To explore general patterns and characteristics of cubic functions To learn formulas that model the areas of squares and the volumes of cubes To explore the graphs of cubic functions and transformations of these graphs To write the equation of a cubic function from its graph.

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PHY101

PHY101. CHAPTER 1 Measurement Unit Significant Figures Dimensional Analysis. 1.1. Measurement Units. SI - International Metric System US - Customary System Basic Metric Units. SI Prefixes. Metric Line. Conversion Table. Temperature Conversion. Converting Fahrenheit to Celsius.

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Equations and their Solutions

Equations and their Solutions. #7. 3 + 2. 5. VOCABULARY. An equation is a mathematical statement that two expressions are equal. You can think of a correct equation as a balanced scale. 10 + 15. 12 + 15. 27. 27. VOCABULARY.

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2-4 Equations and Their Solutions

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12

=?. =?. =?. =?. =?. =?. 8. 14. 20. 12. 14. 13. 15. 12. =2. =4. =1. =3. =5. =6. 8. 14. 20. 12. 14. 13. 15. 12. Lesson Objective Be able to write equations to describe problems Be able to solve equations with the unknown variable on one side

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Increase by a factor of 4 Increase by a factor of 2 Decrease by a factor of 4

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Problem:

Problem: Truckers Joe and Jean drive their truck for 2 hours at an average speed of 60 mph (100 kph). They stop to have lunch for 1 hour, and then drive for 3 hours at an average speed of 45 mph (75 kph). Click the equation that will calculate the correct distance they traveled in those 6 hours.

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