uare method to find the vertex of the function ? = 4?2 − 8? − 5 and sketch the graph with the x-intercept, y-intercept

PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
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Chapter11: Graphs
Section: Chapter Questions
Problem 341PT: Find the x-intercept and y-intercept on the line shown. .
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Use completing the square method to find the vertex of the function ? = 4?2 − 8? − 5 and sketch the graph with the x-intercept, y-intercept and vertex shown clearly. 

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