How to find zeros of a quadratic function
example
f(x)=x^3+2x^2-25x-50

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb