Find the X-Intercepts of the Polynomial Function $$f ( x ) = x ^ { 4 } - 25 x ^ { 2 }$$

question 163

Multiple Choice

Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept.
- $$f ( x ) = x ^ { 4 } - 25 x ^ { 2 }$$

• A) 0 , touches the \(x\)-axis and turns around;
• 5 , crosses the \(x\)-axis;
• \(- 5\), crosses the \(x\)-axis
• B) 0 , crosses the \(x\)-axis;
• 5 , crosses the \(x\)-axis;
• \(- 5\), crosses the \(x\)-axis
• C) 0 , touches the \(x\)-axis and turns around
• 25 , touches the \(x\)-axis and turns around
• D) 0 , touches the \(x\)-axis and turns around;
• 25 , crosses the \(x\)-axis

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