For which value(s) of a does the curve y=x²+ax+2 have a horizontal tangent line at x=1? Show your work. Do not use any differentiation rules!

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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For which value(s) of a does the curve y=x²+ax+2 have a horizontal tangent line at x=1?
Show your work. Do not use any differentiation rules!
Transcribed Image Text:For which value(s) of a does the curve y=x²+ax+2 have a horizontal tangent line at x=1? Show your work. Do not use any differentiation rules!
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