johnsampson618 johnsampson618
  • 19-06-2019
  • Mathematics
contestada

rewrite f(x)=x^2+8x-20 in the form that would most easily help you identify the zeros of the function

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 26-06-2019

Answer:

f(x) = (x-2) (x+10)

Step-by-step explanation:

f(x)=x^2+8x-20

Factor the right hand side

What 2 numbers multiply to -20 and add to 8

-2 * 10 = -20

-2 + 10 = 8

f(x) = (x-2) (x+10)

Then we can use the zero product property to help us to find the zero's

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