anonymous
  • anonymous
can you please help me :/
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Notamathgenius
  • Notamathgenius
Sure.
anonymous
  • anonymous
i think i graphed the line right but i am not sure can you help please
Notamathgenius
  • Notamathgenius
@Muj_14 Help?

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anonymous
  • anonymous
yes
campbell_st
  • campbell_st
its a concave up parabola, symmetric about the y axis, cuts the y axis at - 4 and cuts the x axis at \[x = \pm \frac{2}{\sqrt{3}}\]
anonymous
  • anonymous
yes i understand that but does the line point up or down I graphed it on my paper as being up but im not 100 % sure if that's correct
campbell_st
  • campbell_st
concave up... means |dw:1364412258382:dw|
anonymous
  • anonymous
ohhh its up are you sure
campbell_st
  • campbell_st
|dw:1364412296139:dw|
campbell_st
  • campbell_st
The general from of a parabola is \[y = ax^2 + bx + c\] the value of a determines the concavity if a is negative the parabola is concave down is a is positive its concave up. in your question a = 3 which is positive, so concave up.
anonymous
  • anonymous
thans so much :)

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