3.4b Notes

# 3.4b Notes - a 3x 7y = 4 and 6x 14y = 7 b 2x 5y = 1 and-5x...

This preview shows pages 1–2. Sign up to view the full content.

3.4b The Slope of a Line Parallel Lines Two lines are  parallel  if they have the  same  slope and different y-intercepts. Perpendicular Lines Two lines are  perpendicular  if the  product of their slopes is -1 . (This means that the slope of one is the  negative reciprocal  of the slope of the  other.) Example: Are the following pairs of lines parallel, perpendicular, or neither?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a) 3x + 7y = 4 and 6x + 14y = 7 b) 2x + 5y = 1 and-5x + 2y = 4 Applications (Word Problems) Suppose your salary increases by \$1200/year and that you currently earn \$39,400. Use an equation to predict your salary in 5 years. Homework: 10/13/10 Ch.3 #6 p. 177 #37-87 odd...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern