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A quadratic equation, ax² + bx+c = 0, has only one solution. Which of the following must be TRUE: Oa) b² - 4ac < 0 b) the graph has its vertex on the x-axis. c) There are two identical real roots d) b and c only

A quadratic equation, ax² + bx+c = 0, has only one solution. Which of the following must be TRUE: Oa) b² - 4ac < 0 b) the graph has its vertex on the x-axis. c) There are two identical real roots d) b and c only

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A quadratic equation, ax² +bx + c = 0, has only one solution. Which of the following must be TRUE: Oa) b² - 4ac <0 b) the graph has its vertex on the x-axis. c) There are two identical real roots Od) b and c only
Transcribed Image Text:A quadratic equation, ax² +bx + c = 0, has only one solution. Which of the following must be TRUE: Oa) b² - 4ac <0 b) the graph has its vertex on the x-axis. c) There are two identical real roots Od) b and c only
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