Algebra is never easy when you do not know how to calculate or how to apply various graphs of polynomial functions. These are used in the calculation of the determination of the objects and the engineering tasks. See some polynomial graphs examples with the graphic explanations as some of the answers will have word problems. When you have good explanations, your calculations will be more confident. It is better to look at several answers that will be different in length. If you compare things in the solutions, you will see how to approach polynomial graphs by working with various axes.