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TODAY IN ALGEBRA 2.0… Warm up: Writing the equation of a perpendicular line Learning Goal 1: 2.6 (Part 1) You will fit lines to data in scatter plots Independent Practice-Assignment #5 Learning Goal 2: COE – If I only had a car Application Practice 2

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WARM UP: NEGATIVE RECIPROCAL!!!!!

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2.6 SCATTER PLOTS-FITTING LINES TO DATA: Correlations STRONG POSITIVE CORRELATION STRONG NEGATIVE CORRELATION WEAK NEGATIVE CORRELATION WEAK POSITIVE CORRELATION NO CORRELATION

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Points lie near line with a negative slope Points do not lie near a line Points lie near line with positive slope

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2.6 SCATTER PLOTS-FITTING LINES TO DATA EXAMPLE: Tell whether the correlation coefficient for the data is closest to -1, -0.5, 0, 0.5, or 1.

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2.6 SCATTER PLOTS-FITTING LINES TO DATA PRACTICE: For each scatter plot, tell whether the data have a positive, negative or no correlation AND tell whether the correlation coefficient for the data is closest to -1, -0.5, 0, 0.5, or 1.

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2.6 SCATTER PLOTS-FITTING LINES TO DATA CALCULATING THE LINE OF BEST FIT: DRAW a scatter plot SKETCH a line that divides the points equally AND goes through 2 POINTS CALCULATE SLOPE AND Y- INTERCEPT then write an equation to the line

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2.6 SCATTER PLOTS-FITTING LINES TO DATA x01234567 y280295322395425471511548

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IN CLASS WORK #5: Pg. 117: 3-16 Due in class Previous In Class Assignments: #1: Pg. 76: 7-9, 12-13, 16-17, 20-23 #2: Pg. 86: 9-21, 29-31, 41-42, 45 #3: Pg. 93: 12-17, 35-37 #4: Pg. 101: 13-16, 21-25, 29-31

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COE: If I only had a car

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