The term opposite reciprocals refers to two numbers that have opposite signs and are flipped fractions of each other. ... Second, to be reciprocals, one number should be the flipped fraction, or upside down version, of the other number. For example, the reciprocal or flipped fraction of 3/4 is 4/3.

What does it mean when slopes are opposite reciprocals?

An opposite reciprocal is the fraction form of a number flipped upside down (that's the reciprocal part), and with its sign changed (that's the opposite part). ... This is the defining feature of the equations of perpendicular lines—the slopes of perpendicular lines are opposite reciprocals.

Is reciprocal the same as opposite?

As adjectives the difference between opposite and reciprocal

is that opposite is located directly across from something else, or from each other while reciprocal is of a feeling, action or such: mutual, uniformly felt or done by each party towards the other or others; two-way.