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8-54.

Graph and label its vertex, , and . 8-58 HW eTool (Desmos). Homework Help ✎

Make a table.

The -intercepts are where the graph intersects the
-axis, or where .

The -intercept is where the graph intersects the -axis, or where .

The vertex is the lowest or highest point on the curve of the parabola.

Opening Upward.

and 

Use the eTool below to help you answer the parts of the problem.
Click on the link at right for the full eTool version: CCA 8-58 HW eTool