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Pre-Calculus WS 1.1 Show necessary work! Name: 1. Two lines are _____________ if they have equal slopes. Two lines are _____________ if they have negative reciprocal slopes. Find the slope of the line passing through the given points: 2. (0, -10) and (-4, 0) 3. (-6, -1) and (-6, 4) If possible, indentify the slope and y-intercept of the given lines 4. 5x – y + 3 = 0 5. 2x + 3y – 9 = 0 6. 5x – 2 = 0 7. -11 – 8y = 0 Use the information given to write the equations of the line in slope-intercept form 8. (0, -2) and m=3 9. (-2, -5) and m=3/4 10. (6, -1) and m undefined 11. (5, -1) and (-5, 5) 12. (-1, 4) and (6, 4) 13. (5, -1) and (-5, 5) Determine whether the following lines containing the following points are parallel, perpendicular, or neither: 14. Line 1: (0, -1) and (5, 9) Line 2: (0, 3) and (4, 1) 15. A jeweler’s salary was $28,500 in 2004 and $32,900 in 2006. The jeweler’s salary follows a linear growth pattern. What will the salary be in the year 2014? Write an equation of a line through the given point that is: a. parallel to the given line b. perpendicular to the given line. 16. (2, 1) 4x – 2y = 3 17. (-3, 2) x + y = 7