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Home > CCA > Chapter 8 > Lesson 8.1.1 > Problem 8-11

8-11.

On graph paper, graph y = x2 − 2x − 8. 8-11 HW eTool (Desmos). Homework Help ✎

  1. Name the y-intercept. What is the connection between the y-intercept and the rule y = x2 − 2x − 8?

  2. Name the x-intercepts.

  3. Find the lowest point of the graph, called the vertex.

    Use the eTool below to answer parts (a-c).
    Click the link at right for the full version of the eTool: CCA 8-11 HW eTool