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人気のある代数 >

121-64x^2=0

解

121 - 64 x^{2} = 0

解

x = \frac{11}{8}, x = - \frac{11}{8}

+1

十進法表記

x = 1.375, x = - 1.375

解答ステップ

121 - 64 x^{2} = 0

121

を右側に移動します

- 64 x^{2} = - 121

以下で両辺を割る

- 64

x^{2} = \frac{121}{64}

x^{2} = f (a)

の場合, 解は

x = f (a), - f (a)

x = \frac{121}{64}, x = - \frac{121}{64}

\frac{121}{64} = \frac{11}{8}

- \frac{121}{64} = - \frac{11}{8}

x = \frac{11}{8}, x = - \frac{11}{8}

グラフ

人気の例

x^{2} = 6^{2} + 7^{2}

(X/(29.4))^2+((40)/(46.2))^2=1

(\frac{X}{29.4})^{2} + (\frac{40}{46.2})^{2} = 1

450000=-425x^2+45500x-650000

450000 = - 425 x^{2} + 45500 x - 650000

8^{2} + x^{2} = 7^{2}

x^{2} = \frac{15}{16}