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Review for Tomorrow’s Quiz on Scatterplots and Equation Forms

Prepare for your quiz on scatterplots, correlation types, and equations in vertex and intercept forms. You can use your notes for this quiz, which will include 7 total questions from the content of sections 7.1 and 7.2. Key topics include estimating and drawing lines of best fit, understanding positive and negative correlations, and converting equations into vertex and intercept forms. Practice with your review assignment worksheet, focusing on the concepts of median-median lines, as well as specific points and equations given. Good luck!

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Review for Tomorrow’s Quiz on Scatterplots and Equation Forms

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  1. 7.1 & 7.2 Quiz Review September 13th

  2. Tomorrow’s Quiz • You may use your notes • 7 total questions (10 total blanks) • Read all directions / instructions

  3. From 7.1… • Scatterplots • Positive or Negative Correlation? • Estimating / drawing a line of best fit

  4. From 7.2… • Equation in Vertex Form • ( h , k ) • Equation in X-Intercepts Form • P and Q Find “A” then write the equation in the correct form (Vertex or Intercept)

  5. Review Assignment • Worksheet (4 questions) • Line of Best Fit • Median-Median • Vertex Form • Intercept Form

  6. (2, 42) (5, 12) -10 m = b = y = -10x + 62 62

  7. (2, 48) (7, 93) (5, 45) y = 9x + 20

  8. Vertex: (1, 4)Point: (2, 7) 3 a = h = k = 1 y = 3(x – 1)2 + 4 4

  9. X-intercepts: -3 and 1Point: (-1, 8) -2 a = p = q = -3 1 y = -2(x + 3)(x – 1)

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