Is there a solution to this equation? x + e^x = 0?

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Consider the equation x + e^x = 0.
Is there a solution to this equation?
Why or why not.

2006-12-12 14:15:16 · 4 answers · asked by Marty Kay 2 in Science & Mathematics ➔ Mathematics

x=0.

2006-12-12 14:23:18 · answer #1 · answered by wildraft1 6 · 0⤊ 2⤋

Using an excell spread sheet, I was able to see the solution is some whaere between -.57 and -.56.

2006-12-12 22:32:44 · answer #2 · answered by eric l 6 · 0⤊ 0⤋

Try graphing x + e^x = y and see if it looks like y can be zero. There must be an answer since for x = -1 y is approx -.7 and for x = 1 y approx 3.7

2006-12-12 22:23:39 · answer #3 · answered by rscanner 6 · 0⤊ 0⤋

Alright so I'm thinking you have to use the power property and then find the natural log of e. It shouldn't be too hard.

2006-12-12 22:23:00 · answer #4 · answered by blender 3 · 0⤊ 1⤋