Tentukan sumbu simetri dan nilai optimum dari fungsi kuadrat f(x) = x\xb22013 2x + 7.

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Tentukan sumbu simetri dan nilai optimum dari fungsi kuadrat f(x) = x²– 2x + 7.​

Dik

fungsi kuadrat f(x) = x²– 2x + 7.

Dit

sumbu simetri dan nilai optimum..?

penye

f(x) = x²– 2x + 7.

a = 1

b = -2

c = 7

mk

sumbu simetri x = -b/2a

= -(-2)/1

= 2/1

= 2

nilai optimum = -(b² – 4ac)/4a

= -((-2²) – 4.1.7) / 4.1

= -(4 – 28) / 4

= -(-24)/4)

= -(-6)

= 6

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