1. Form a polynomial whose real zeros and degree are given. Zeros: -1,0,4; degree: 3

polynomial with integer coefficients and a leading coefficient of 1.

f(x)=

2. The given equation has a solution r in the interval. Approximate the solution correct to two decimal places.

6x^3+3x^2-3x+2=0

r=

3. Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.

Degree 4; zeros: 9i, 4, -4

The remaining zeros of f are?

4. create a general formula to describe the variation.

y varies directly with x; y=5 when x=20