BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1, Problem 75RE
To determine

To find the real solutions of equation 3x2+4x1=0 .

Expert Solution

Answer to Problem 75RE

The solution is x=0.0485,1.715 .

Explanation of Solution

Given information:

  3x2+4x1=0

Formula used:

Quadratic Formula:- x=b±b24ac2a .

Calculations:

  a=3b=4c=1

  x=(4)±(4)24(3)(1)2(3)

  x=4±16+126

  x=4±286

  x=4±276

  x=5+276=0.2916=0.0485 and x=5276=10.2916=1.715

The solution of the equation x=1.715,0.0485 .

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