SOLUTION: Find the zeros, state multiplicity. Draw a rough sketch. y=x^4-2x^3-15x^2

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Question 1158334: Find the zeros, state multiplicity. Draw a rough sketch.
y=x^4-2x^3-15x^2

Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E4-2x%5E3-15x%5E2=x%5E2%28x%5E2-2x-15%29=x%5E2%28x-5%29%28x%2B3%29 The roots are 0, 5, and -3. The root 0 has a multiplicity of 2. The others two roots have a multiplicity of 1. Here is a rough sketch, graph%28550%2C550%2C-15%2C15%2C-15%2C15%2Cy=x%5E4-2x%5E3-15x%5E2%29.