Given the general form of a parabola x2+8x-28y+10=0, what is the y coordinate the vertex? k=_____. (round to 3 decimal places)

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter7: Conic Sections And Quadratic Systems
Section7.3: The Hyperbola
Problem 53E
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Given the general form of a parabola x2+8x-28y+10=0, what is the y coordinate the vertex? k=_____. (round to 3 decimal places)

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