anonymous
  • anonymous
I have homework that is due tomorrow and I need help with these two questions: 1. f(x) = -2(x - 1)^2 - 5 2. y = 1/2(x-3)^2 + 2
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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lfreeman1285
  • lfreeman1285
Are you graphing them?
anonymous
  • anonymous
yes and I have to find the axis of symmetry and the vertex.
lfreeman1285
  • lfreeman1285
This form gives you the vertex in it. y=a(x-h)^2 + k is the basic vertex form. And the vertex is (h, k). So in the first equation, the vertex would be (1, -5).

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anonymous
  • anonymous
Okay and to find the rest of the points you would just plug X into the original equation right? Or am I wrong?
lfreeman1285
  • lfreeman1285
Yup! It helps if you choose x values close to the vertex. The graph should form a u-shape (called a parabola) when you're done.
anonymous
  • anonymous
Okay thanks. What about the AOS?
lfreeman1285
  • lfreeman1285
That's equal to the x value of the vertex. So for the first one it would be x=1.
anonymous
  • anonymous
Oh. okay thanks!!!!!!!! :D
lfreeman1285
  • lfreeman1285
You're welcome! :)
anonymous
  • anonymous
Is it the same thing for the other equation also?
lfreeman1285
  • lfreeman1285
Yes, not the same answers, but its in the same form, so you can solve it the same way.
anonymous
  • anonymous
okay thanks you've been a real help! :D
lfreeman1285
  • lfreeman1285
You're welcome!

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