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受欢迎的 Geometry >

30(x^2-1)=11p(x)

解答

30 (x^{2} - 1) = 11 p (x)

解答

(h, k) = (0, - \frac{30}{11}), p = \frac{11}{120}

求解步骤

30 (x^{2} - 1) = 11 y

将

30 (x^{2} - 1) = 11 y

改写为标准形式

4 \cdot \frac{11}{120} (y - (- \frac{30}{11})) = (x - 0)^{2}

因此抛物线性质是:

(h, k) = (0, - \frac{30}{11}), p = \frac{11}{120}

作图

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