SOLUTION: Hi, I do not know how to graph this function. Could you give me step by step instructions? i here is the imaginary number: y = (x-i)(x+i)(x-2i)(x+2i)

Algebra ->  Graphs -> SOLUTION: Hi, I do not know how to graph this function. Could you give me step by step instructions? i here is the imaginary number: y = (x-i)(x+i)(x-2i)(x+2i)      Log On


   

Question 439474: Hi, I do not know how to graph this function. Could you give me step by step instructions? i here is the imaginary number:
y = (x-i)(x+i)(x-2i)(x+2i)
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
First we simplify the function:
y=%28x%5E2-i%5E2%29%28x%5E2-4i%5E2%29=%28x%5E2%2B1%29%28x%5E2%2B4%29=x%5E4%2B5x%5E2%2B4.
Now you know how to graph the function.
graph%28300%2C+300%2C+-5%2C+5%2C+-1%2C+10%2C+x%5E4%2B5x%5E2%2B4%29.