4.6 #29,#31

By: H. Denton
For: D. Kirkland, 2nd period
May 15, 2014


Your friend is using Descartes Rule of Signs to find the number of negative real roots of x^3 + x^2 + x + 1 = 0 . Describe and correct the error.


A gardener is designing a new garden in the shape of a trapezoid. She wants the shorter base to be twice the height and the longer base to be 4 feet longer than the shorter base. If she has enough topsoil to create a 60ft^2 garden, what dimensions should she use for the garden?

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