In Problem approximate the real solutions to each quadratic equation to two decimal places.

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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In Problem approximate the real solutions to each quadratic equation to two decimal places.

 

Expert Solution
Step 1

Given quadratic equation is 23.1-14.1x-0.002x2=0.

Given quadratic equation can be written as:

23.1-14.1x-0.002x2=0-0.002x2-14.1x+23.1=00.002x2+14.1x-23.1=0

Quadratic formula for quadratic equation,

x=-b±b2-4ac2a

Solving using quadratic formula,

x=-14.1±14.12-40.002-23.120.002=-14.1±198.81+0.18480.004=-14.1±198.990.004=-14.1±14.100.004=-14.1+14.10.004or -14.1-14.10.004=0 or 7050

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