Thread: word problem!!

kk so the question goes as follows:

The sum of a bumber and its reciprocal is 6.41. What is the number?



I have allready started with 6.41= x + 1/x

Please help me determine what the value of x is!

Originally Posted by themantis54

kk so the question goes as follows:

The sum of a bumber and its reciprocal is 6.41. What is the number?



I have allready started with 6.41= x + 1/x

Please help me determine what the value of x is!

If:

6.41= x + 1/x ,

then muliply through by x to get:

6.42 x = x^2 + 1,

rearrange:

x^2 - 6.42 x + 1 = 0

then use the quadratic formula to find the solutions.

RonL