Lihes Opening Exercise Given a point (-3,6) and a line y = 2x-8, answer the following questions: What is the slope of the line? b. What is the slope of any line parallel to the given line? Write an equation of a line through the point and parallel to the line. What is the slope of any line perpendicular to the given line? d. Write an equation of a line through the point and perpendicular to the line.

You neighbor asks you to mow his grass. You charge an initial fee of $5 and $6 per hour. Write an equation in slope intercept form to represent this. A. y=6x+5 B. y=5x+6 C. y=-5x+6 D. y=-6x+5

Name: 7. Plot the two points (-3,7) and (1,-3). Draw the line containing the two points. What is the slope between the two points? Write an equation in point-slope form: 8. Find an equation of the line between the given two points by first finding the slope, then finding the point-slope form of the equation. a. through points (5,8) and (-2, 7) b. through points (-2, -6) and (-7, 5)

The bar graph below shows the percentage of never-married men (left columns) and women (right columns) ages 25-29 for four selected years. The corresponding scatter plots with lines are shown below, where x is the number of years since 1980. Use the line for the women to complete parts (a)-(c). a, fir 58.7 60- 51.7 46.2 50- 40-30 3 213 44 9 31.7 38.8 1980 1990 2000 2008 60- men. 20.38.8) 10,31.7) 30-* women 15 30 Years after 1980 Percentage Never Married % Never Manied