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Nov. 1 - Quarterly Review Day

test review<br>middle high school math<br>system of equations<br>algebra 1

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Nov. 1 - Quarterly Review Day

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  1. scented candle day! 11.01.22 Take out your spiral. Prepare to make a list of study topics. Log into chromebook. Agenda: • Quarterly Topics • Quarterly Review • Delta Math only keep one Pencil, Calculator, Chromebook, Spiral

  2. Quarterly Assessment #1: • Function Families • Domain & Range • Arithmetic Sequences (nth term, explicit formula) • Slope/Average Rate of Change • Parallel & Perpendicular Lines • Forms of Lines (Slope-Intercept, Standard, Point-Slope) • Linear Regressions, Correlation Coefficients • Systems of Equations (Graphing, Substitution, Elimination) • Literal Equations

  3. Which graph represents the weakest correlation between variables? Linear Regression Review

  4. Which graph represents the weakest correlation between variables? Linear Regression Review

  5. Directions: The linear regression equation below models the relationship between the age of a used car, x, in years and the price of the used car, y: y = -528.6x + 9250 Which of the following statements best describes the rate of change in the price of the car? • The initial price of the car is approximately $9,250. • The initial price of the car is approximately $528. • The price of the car decreases approximately $9,250 every ten years. • The price of the car decreases approximately $528 every year. Linear Regression Review

  6. Directions: The linear regression equation below models the relationship between the age of a used car, x, in years and the price of the used car, y: y = -528.6x + 9250 Which of the following statements best describes the rate of change in the price of the car? • The initial price of the car is approximately $9,250. • The initial price of the car is approximately $528. • The price of the car decreases approximately $9,250 every ten years. • The price of the car decreases approximately $528 every year. Linear Regression Review

  7. Function Families Which of the above graph, table, and mapping is a function? • Graph A and Table B B. Table B and Mapping C C. Graph A only D. Mapping C only

  8. Function Families Which of the above graph, table, and mapping is a function? • Graph A and Table B B. Table B and Mapping C C. Graph A only D. Mapping C only

  9. Which of the following statements about the function graphed to the left is true? • The Domain is x > -3 • The Domain is all real numbers • The Range is -3 < y < 6 • The Range is All Real Numbers Function Families

  10. Which of the following statements about the function graphed to the left is true? • The Domain is x > -3 • The Domain is all real numbers • The Range is -3 < y < 6 • The Range is All Real Numbers Function Families

  11. The water level of a stream often rises several inches after a severe storm. Let the water level of a stream x days after a storm passes be represented by the function L(x). What is the correct interpretation of: L(4) = 18 • The water level rose 4 inches over the next 18 days. • The water level rose 4 inches per day over the next 18 days. • The water level is 4 inches after 18 days. • The water level is 18 inches after 4 days. Function Families

  12. The water level of a stream often rises several inches after a severe storm. Let the water level of a stream x days after a storm passes be represented by the function L(x). What is the correct interpretation of: L(4) = 18 • The water level rose 4 inches over the next 18 days. • The water level rose 4 inches per day over the next 18 days. • The water level is 4 inches after 18 days. • The water level is 18 inches after 4 days. Function Families

  13. Forms of Lines

  14. Forms of Lines

  15. The equation of a line is: y - 2 = 2(x + 3) Which of the following statements about this line is true? Select ALL that apply. Forms of Lines

  16. The equation of a line is: y - 2 = 2(x + 3) Which of the following statements about this line is true? Select ALL that apply. Forms of Lines

  17. Arithmetic Sequence

  18. Arithmetic Sequence

  19. Arithmetic Sequence

  20. Arithmetic Sequence

  21. Arithmetic Sequence

  22. Arithmetic Sequence

  23. Arithmetic Sequence

  24. a10 = 1 + ⅓ (10 - 1) a10 = 1 + ⅓ (9) a10 = 1 + 3 a10 = 4 Arithmetic Sequence

  25. For which set of ordered pairs will the slope between the two points be -4? Rate of Change and Slope

  26. For which set of ordered pairs will the slope between the two points be -4? Rate of Change and Slope

  27. Which graph has a slope of 0.5? Rate of Change and Slope

  28. Which graph has a slope of 0.5? Rate of Change and Slope

  29. The table below gives the height of a soccer ball t seconds after it was kicked. Rate of Change and Slope What is the average rate of change from time t = 0.25 to time t = 1?

  30. The table below gives the height of a soccer ball t seconds after it was kicked. 16 - 7 1 - 0.25 m = 9 0.75 m = Rate of Change and Slope m = 12 What is the average rate of change from time t = 0.25 to time t = 1?

  31. The table below gives the height of a soccer ball t seconds after it was kicked. For which interval of time is the average rate of change the greatest? Rate of Change and Slope

  32. The table below gives the height of a soccer ball t seconds after it was kicked. For which interval of time is the average rate of change the greatest? m = 28 Rate of Change and Slope m = 20 m = 15 m = 4

  33. Directions: Enter the data from the table into your Desmos graphing calculator. Determine the linear regression equation. Round the slope and y-intercept to the hundredths place. Linear Regression Review

  34. Directions: Enter the data from the table into your Desmos graphing calculator. Determine the linear regression equation. Round the slope and y-intercept to the hundredths place. y = 2.31x + 32.59 Linear Regression Review

  35. Directions: Enter the data from the table showing the relationship between the amount of money companies spend on advertising and the amount of the company's sales into your Desmos graphing calculator. Calculate the linear regression model for the data and round the values to the nearest tenth. Linear Regression Review

  36. Directions: Enter the data from the table showing the relationship between the amount of money companies spend on advertising and the amount of the company's sales into your Desmos graphing calculator. Calculate the linear regression model for the data and round the values to the nearest tenth. y = 176.8x + 112.6 Linear Regression Review

  37. Due Date: WEDNESDAY, November 2nd

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