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Solve & Graph

Solve & Graph. Solve & Graph. Solve & Graph. Graphing Linear Inequalities. Graph 2x-3y<9. Graphing linear inequalities. Graph 3x+4y > -8. Graphing Linear inequalities. Graph -2x-5y>15. Scatterplots & Line of Best Fit. Create a scatterplot & find the line of best fit.

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Solve & Graph

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  1. Solve & Graph

  2. Solve & Graph

  3. Solve & Graph

  4. Graphing Linear Inequalities • Graph 2x-3y<9

  5. Graphing linear inequalities • Graph 3x+4y > -8

  6. Graphing Linear inequalities • Graph -2x-5y>15

  7. Scatterplots & Line of Best Fit

  8. Create a scatterplot & find the line of best fit.

  9. Using the graphing calculator:

  10. Graphing steps continued

  11. Correlation • Used to describe the relationship between the independent variable (x) and the dependent variable (y). • It’s on a scale from -1 to 1 with the endpoints representing a perfect linear relationship.

  12. Types of Correlation

  13. This refers back to the problem about weight classes

  14. Let’s try another one! Use it to predict the sodium for 40 g of fat.

  15. Practice Problem • Find equation of the least-squares line. • Find and explain the correlation coefficient, r. • Predict the number of CD’s purchased by a person who is 27 years old. • Find the age of a person who purchased 15 CD’s in the previous year.

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