MHB Find x- and y- Intercepts....3

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The discussion focuses on finding the x- and y-intercepts of the equation y = 8x^3 - 6x - 1. The y-intercept is determined to be (0, -1) by substituting x = 0 into the equation. For the x-intercept, the equation is set to zero, leading to 0 = 8x^3 - 6x - 1, but the user expresses difficulty in finding "nice" roots. The term "nice" roots refers to easily calculable or rational solutions. The conversation highlights the challenge of solving cubic equations for their x-intercepts.
mathdad
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Find the x- and y-intercepts.

y = 8x^3 - 6x - 1

Let x = 0

y = 8(0)^3 - 6(0) - 1

y = -1

The y-intercept is y = -1 and it takes place at the point
(0, -1).

To find the x-intercept, let y = 0.

0 = 8x^3 - 6x - 1

I am stuck here.
 
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I don't think this one has "nice" roots. :(
 
What do "nice" roots look like?
 
Here is a little puzzle from the book 100 Geometric Games by Pierre Berloquin. The side of a small square is one meter long and the side of a larger square one and a half meters long. One vertex of the large square is at the center of the small square. The side of the large square cuts two sides of the small square into one- third parts and two-thirds parts. What is the area where the squares overlap?

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