A hiker walks along a path and comes to a cliff. He wants to find out how high the cliff is, so he ties a 110 foot cable to a ro
ck at the top, and tosses the rest of the cable over the cliff. When the hiker gets to the bottom, he pulls the cable to length, and measures the angle that it makes with the ground. What function will he use to determine the height of the cliff, and what is the height if the angle is 25º?
1 answer:
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Answer: Choice C
Vertex = (5, -2)
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Explanation:
Vertex form is where the vertex itself is located at (h,k)
As the name implies, we can very quickly pull out the coordinates of the vertex without doing much math at all.
In the case of choice C, we have which is the same as
and we can see that h = 5 and k = -2. Therefore, the vertex is located at (h,k) = (5, -2)