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extra points!!no links tho
given the function f(x)=x^2+10x+20

a.state whether the vertex represents a maximum or a minimum point for your function. explain your answer

b.rewrite f(x) in vertex form by completing the square

Sagot :

Unicorn3125idn

Answer:

             a. the  vertex represents a minimum point

             b.  f(x) = (x + 5)² - 5

Step-by-step explanation:

a.

a = 1 > 0  ← that means the parabola opens up, so the vertex is minimum of the function

b.

  [tex]f(x)=x^2+10x+20\\\\f(x)=\underline{x^2+10x+25} - 25+20\\\\f(x)=(x+5)^2-5[/tex]

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