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Unformatted text preview: that is vertical and passes through (2,1) Slide 6 What do you need to write the equation of a line? A point on the line. The slope of the line. ALWAYS!! Slide 7 Parallel/ Perpendicular Two lines are parallel if they have equal slopes. Two lines are perpendicular if their slopes are negative reciprocals . Write the equation of a line that passes through the point ( -1,2) that is parallel to the line 2x + 3y = 5. perpendicular to the line 2x + 3y = 5. Slide 8 Directions for # 47 on Page 238 Do part (c) first and use it to do part (b). Part (a) is optional, but good practice. Make sure you state the correlation coefficient and state what it tells you about your regression line....
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