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2 years ago

17 - 1 1/2 =dhjdjdjdhrjrjjrjrjrhru

Mathematics

1 answer:

IRINA_888 [86]2 years ago

7 0

Answer:

The answer is 11.5 (it could also be seen as 23/2, which is the exact form or 11.5, which is the decimal form).

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Why is the vertex of vertex form y=a(x-h)^2+k (h,k) rather than (-h,k)? If that was y=2(x-5)^2+6, the vertex would be at (5,6) w

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9514 1404 393

Answer:

(5, 6) is (h, k)

Step-by-step explanation:

Vertex form is an instance of the transformation of parent function f(x) = x². It is vertically scaled by a factor of 'a', and translated so the vertex is point (h, k). That is, the transformed vertex is h units right and k units up from that of the parent function (0, 0).

Parent:

f(x) = x^2

Transformed:

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

When you compare the form to your specific instance, you need to pay attention to what it is that you're comparing. As the attachment shows, ...

a = 2
-h = -5 ⇒ h = 5
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Hence the vertex is (h, k) = (5, 6). The second attachment shows this on a graph.

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