Using X-Intercepts to Graph Polynomial Functions


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question 1 of 3

Which of the following is an example of a polynomial?

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1. What are the x-intercepts of y = x2 + 2x - 8?

2. Based on the leading term of the function y = x3 - 9x, what do you know about the shape of its graph?

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About This Quiz and Worksheet

The use of x-intercepts for graphing polynomial functions is the subject of this quiz and worksheet combination. Inside, you can find questions on examples of polynomials, along with polynomial functions that correspond to a given graph.

Quiz and Worksheet Goals

Expect to find the topics mentioned below in the questions of this quiz:

  • Picking out an example of a polynomial from a provided list
  • Choosing the correct x-intercepts of a given polynomial
  • The shape of a graph, given a leading term
  • What happens at a given point

Skills Practiced

  • Problem solving - use what you have learned to solve practice problems involving given polynomials
  • Information recall - remember what you have learned about x-intercepts
  • Knowledge application - utilize your knowledge to answer questions about the shape of a graph

Additional Learning

For more practice, open the lesson titled Using X-Intercepts to Graph Polynomial Functions. There, you can look into the additional topics mentioned below:

  • The quadratic equation
  • Degrees of polynomials
  • The parabola graph