marleyscott
marleyscott
29-10-2021
Mathematics
contestada
I wasn’t here for this lesson and im lost
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sibi69
sibi69
29-10-2021
From the vertex equation, now we are looking for an equation of the form -
y = a(x-4)^2 + 5
And passes through 1,2 , so
2 = a(1-4)^2 + 5
2 = 9a +5 or -3 = 9a
Or a = -1/3
So the equation is,
y = -1/3(x-4)^2 + 5
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