Questions

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  給定$y$部分與$x^{2}$成正比，部分與$x$成反比。當$x=1, y=-4$且當$x=2, y=5$。當$x=-2, y=$

  2012

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  給定$z$與$x$成正比，與$\sqrt{y}$成反比。如果$y$減少$64\%$且$z$增加$25\%$，則$x$

  2013

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  已知 $\frac{4}{5a}=\frac{5}{7b}=\frac{7}{9c}$，其中 $a\cdot b$ 及 $c$ 均為正數。下列何者正確？

  2014

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  若 $z$ 隨 $x$ 反變且隨 $y$ 的立方正變，則下列何者必為常數？

  2014

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  設 $a \cdot b$ 及 $c$ 均為非零的數。若 $a: c=5: 3$ 及 $b: c=3: 2$, 則 $(a+c):(b+c)=$

  2015

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  已知 $z$ 隨 $x^{3}$ 及 $y^{2}$ 正變。當 $x=2$ 及 $y=1$ 時, $z=14$ 。當 $x=3$ 及 $y=-2$ 時, $z=$

  2015

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  已知 $z$ 隨 $\sqrt{x}$ 歲增而增，且隨 $y$ 增而減。若 $x$ 減少 $36\%$ 且 $y$ 增加 $60\%$，則 $z$

  2016

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems

  設 $a 、 b$ 及 $c$ 均為非零的數。若 $3a=4b$ 及 $a:c=2:5$，則 $\frac{a+3b}{b+3c}=$？

  2018

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  若 $w$ 隨 $u$ 的平方根正變且隨 $v$ 的平方反變，則下列何者必為常數？

  2018

• Variations Understand direct variations and inverse variations, and their applications to solving real-life problems Understand the graphs of direct and inverse variations

  已知 $z$ 隨 $x$ 的平方正變且隨 $y$ 的平方根反變。若 $x$ 減少 $40\%$ 且 $y$ 增加 $44\%$，則 $z$

  2019