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Home > A2C > Chapter 10 > Lesson 10.2.4 > Problem 10-109

10-109.
  1. John has to graph a set of parabolas of the form y = x2 − 4x + 2n where n is an integer and 0 ≤ n ≤ 6. What is the probability that one of these parabolas, chosen at random, will have: Homework Help ✎

    1. One x-intercept?

    2. Two x-intercepts?

    3. No x-intercepts?

For the following, test the possible equations on your calculator or on graph paper.

What is the value of n?

What are the values of n?

What are the values of n?