What is the vertex of the function f(x) = x2 + 3x + ?
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14
x2 - 3x + 1 = fx
x2 - 3x = -1
x2 - 3x + 9/4 = 5/4
(x-3/2)^2 - 5/4 = fx (answer)
x2+2x+3 = fx
x2+2x = -3
x2+2x+1 = -2
(x+1)^2 + 2 = fx (answer)
x2 - 3x = -1
x2 - 3x + 9/4 = 5/4
(x-3/2)^2 - 5/4 = fx (answer)
x2+2x+3 = fx
x2+2x = -3
x2+2x+1 = -2
(x+1)^2 + 2 = fx (answer)
briannaclayton2:
The answer is (-3, -3) on edgenuity :)
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5
Answer:
-3, -3 on edgenuity 2020
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