Pre-Calculus WS 1.1
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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