If Newton's Method Is Used to Solve $2 x ^ { 3 } + 2 x + 1 = 0$

question 223

Multiple Choice

If Newton's method is used to solve $2 x ^ { 3 } + 2 x + 1 = 0$ with first approximation $x _ { 1 } = - 1$ , what is the second approximation, $x _ { 2 }$ ?

• A)-0.500
• B)-0.525
• C)-0.550
• D)-0.575
• E)-0.600
• F)-0.625
• G)-0.650
• H)-0.675

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