A number minus 12 times its reciprocal is 1 . Find the number.
A) 4 or -3
B) -4 or 3
C) 4 or 3
D) 4

Name: A number minus 12 times its reciprocal is 1 . Find the number. A) 4 or -3 B) -4 or 3 C) 4 or 3 D) 4
Brand: Quizplus
Rating: 4.9 (26 reviews)

Question

Quizplus · Accepted Answer

Let the number be x. The equation is x - 12(1/x) = 1. Multiplying through by x gives a quadratic equation: x^2 - 12 - x = 0. Solving this quadratic equation yields x = 4 or x = -3.

A Number Minus 12 Times Its Reciprocal Is 1