The figure shows the graph of the equation fff$y=k-x^{2}$/fff, where k is a co...【小站备考】

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Question 3 Enter your answer as an integer or a decimal in the answer box. Backspace to erase.

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The figure shows the graph of the equation

$y=k-x^{2}$ , where k is a constant. If the area of triangle ABC is

$\frac{1}{8}$ , what is the value of k?
Give your answer to the nearest 0.01_____

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