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受欢迎的代数 >

(3^2)/(25)+(y^2)/(16)=1

解答

\frac{3 ^{2}}{25} + \frac{y ^{2}}{16} = 1

解答

y = \frac{16}{5}, y = - \frac{16}{5}

+1

十进制

y = 3.2, y = - 3.2

求解步骤

\frac{3 ^{2}}{25} + \frac{y ^{2}}{16} = 1

将

\frac{3 ^{2}}{25}

到右边

\frac{y ^{2}}{16} = 1 - \frac{9}{25}

化简

1 - \frac{9}{25} : \frac{16}{25}

\frac{y ^{2}}{16} = \frac{16}{25}

在两边乘以

16

y^{2} = \frac{256}{25}

对于

x^{2} = f (a)

解为

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

y = \frac{256}{25}, y = - \frac{256}{25}

\frac{256}{25} = \frac{16}{5}

- \frac{256}{25} = - \frac{16}{5}

y = \frac{16}{5}, y = - \frac{16}{5}

作图

流行的例子

2(x+3)^2=(x+2)(x-2)

2 (x + 3)^{2} = (x + 2) (x - 2)

9 h^{2} - 12 h + 4 = 0

x^{(2)} + 4 x + 4 = 1

a^{2} + 4 (3 + a) a = 5

3 - x^{2} = 1 - x