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 + 1)(x - 4)(x - 1) 2

Question

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 + 1)(x - 4)(x - 1) 2

Answer

-1, crosses the x-axis; 
 4, crosses the x-axis; 
 1, crosses the x-axis

Answer

-1, crosses the x-axis; 
 4, crosses the x-axis; 
 1, touches the x-axis and turns around

Answer

1, crosses the x-axis; 
 -4, crosses the x-axis; 
 -1, touches the x-axis and turns around

Answer

1, crosses the x-axis; 
 -4, touches the x-axis and turns around; 
 -1, touches the x-axis and turns around

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Find the x-intercepts of the polynomial function. State whether the graph crosse...

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