You got @@ScorePercent correct!

question one: correct answer

f(x) = a(x-h)2 + k

you were @@Answer01

question two: correct answer

a=5, b= -11, c=3

you were @@Answer02

question three: correct answer

(2, -5)

you were @@Answer03
  • Note: From our original quadratic equation, a=2, b= -8, and c=3
  • Note: Since a is a positive number, we know that the parabola will be positive.
  • Calculate h: h= -b/2a = -(-8)/(2 • 2) = 2
  • Calculate k (with the above information): f(2) = 2(2)2 - 8•2 + 3 = 8-16+3 = -5
  • The vertex is (2, -5) with an axis of x=2
  • Find the x- and y-intercepts. Remember, the quadratic formula will help you find the x-intercepts

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