x2 – 5x = 24 x²5x24 = 0 a = 1 b = -5 -5 ± √(-5)² - 4(1)(-24) 2(1) C = -24 -5+ √25 +96 2 -5+√121 2 HN -5+11 2 x = -8 and x = 3

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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Determine if he work is completed correctly or if there is an error.
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Transcribed Image Text:Determine if he work is completed correctly or if there is an error. If her work is done correctly, please explain how you know. If her work is done incorrectly, please discuss the error made and what the correct answer would be.
x2 – 5x = 24
x²5x24 = 0
a = 1 b = -5
c = -24
-5± √(-5)² - 4(1)(-24)
2(1)
-5+ √25 +96
2
-5+√121
2
-5+11
2
x = -8 and x = 3
Transcribed Image Text:x2 – 5x = 24 x²5x24 = 0 a = 1 b = -5 c = -24 -5± √(-5)² - 4(1)(-24) 2(1) -5+ √25 +96 2 -5+√121 2 -5+11 2 x = -8 and x = 3
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