When lines are perpendicular, their slopes are negative reciprocals. A reciprocal is a fraction in which the numerator and the denominator are reversed.
The reciprocal of is . The reciprocal of –2 is , since –2 is . The negative reciprocal of is . The negative reciprocal of –2 is .
On the coordinate plane above, if Line 1 has a slope of , Line 2 has a slope of .
Next to display next topic in the chapter.
Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.
Lessons with practice question on math section of the test
Lessons on Basic to Advance Arithmetic with practice questions
Learn and prepare MCAT for admission in Medical colleges
Comprehensive lists of colleges in ...
Find a comprehensive list of major ...
How to get opportunity to study in ...
A list of written essays for CSS an ...
Learn what are ISSB Thematic Apperc ...
All about Pakistan Army Selection a ...
Sargodha Medical College is the new ...
NED University of Engineering and t ...