Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:How can you tell from the vertex form y = a (x-h²) + k whether a quadratic function has two real zeros?
Choose the correct answer below.
O A. The quadratic function has two real zeros if a > 0, k>0 and h#0.
OB. The quadratic function has two real zeros if a>0 and k>0 or a <0 and k<0.
O C. The quadratic function has two real zeros if a <0, k<0 and h = 0.
O D. The quadratic function has two real zeros if a>0 and k<0 or a <0 and k>0.
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