Problem 45 of 7
Identify the vertex of quadratic f(x)=-3(x-1/4)^2+1/2 from completed-square form.
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read (h,k) from a(x-h)^2+k.
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Function must be in vertex form a(x-h)^2+k.
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Solution
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1. Locate h in the expression x-h.
2. Locate k outside the squared term.
3. Write the vertex as (h,k).
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Reversing the sign of h from the binomial.