### Home > CCA2 > Chapter 9 > Lesson 9.3.1 > Problem 9-78

9-78.

John has to graph a set of parabolas of the form

*y*=*x*^{2}− 4*x*+ 2where^{n}*n*is an integer and 0 ≤*n*≤ 6. What is the probability that one of these parabolas, chosen at random, will have:*9-78 HW eTool*(Desmos). Homework Help ✎One

*x*-intercept?Two

*x*-intercepts?No

*x*-intercepts?

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