Use a Graphing Calculator to Approximate the Real Zeros $$f ( x ) = x ^ { 4 } - 5 x ^ { 2 } + 6$$

question 454

Multiple Choice

Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.
- $$f ( x ) = x ^ { 4 } - 5 x ^ { 2 } + 6$$

• A) \(3 , - 3,2 , - 2\)
• B) \(1.7 , - 1.7,1.4 , - 1.4\)
• C) \(1.7,1.4\)
• D) \(- 1,1.8,1.8 , - 1.8\)

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