About Lesson
13.2 Simultaneous Equations 方程组
Solve the following simultaneous equations :
解下列方程组:
(1)
Answer:
无解
(2)
Answer:
(
,
), (-2, 6)
![Rendered by QuickLaTeX.com \frac{1}{2}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-f5ac0f658c5eea95b9d59561e1d0ecab_l3.png)
![Rendered by QuickLaTeX.com -1\frac{1}{2}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-7aa421ac22e3fbcdeed0fa6e08af5c70_l3.png)
(3)
Answer:
(2, -2), (-2, 2), (-1 +
, 1 +
), (-1 –
, 1 –
)
![Rendered by QuickLaTeX.com \sqrt3](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-49f42d491a35b5833df87931a71a4462_l3.png)
![Rendered by QuickLaTeX.com \sqrt3](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-49f42d491a35b5833df87931a71a4462_l3.png)
![Rendered by QuickLaTeX.com \sqrt3](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-49f42d491a35b5833df87931a71a4462_l3.png)
![Rendered by QuickLaTeX.com \sqrt3](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-49f42d491a35b5833df87931a71a4462_l3.png)
(4)
Answer:
(
,
) ,
![Rendered by QuickLaTeX.com \frac{1}{6}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-ddf05f3fee22ddfb021563dcfee15c16_l3.png)
![Rendered by QuickLaTeX.com \frac{1}{3}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-e63e48332471cc9171675f2cb9c542fd_l3.png)
( ,
) ,
( ,
) ,
( ,
) .
(5)
Answer:
(2, 1), (-2, -1), (2.32, -1.65), (-2.32, 1.65)
(6)
Answer:
(3, -2), (-3, 2), (-1
, 2
), (1
, -2
)
![Rendered by QuickLaTeX.com \frac{2}{3}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-63e3d8a8d7f540b1a64ce735a01e9b38_l3.png)
![Rendered by QuickLaTeX.com \frac{2}{3}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-63e3d8a8d7f540b1a64ce735a01e9b38_l3.png)
![Rendered by QuickLaTeX.com \frac{2}{3}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-63e3d8a8d7f540b1a64ce735a01e9b38_l3.png)
![Rendered by QuickLaTeX.com \frac{2}{3}](https://learn-ondemand.com/wp-content/ql-cache/quicklatex.com-63e3d8a8d7f540b1a64ce735a01e9b38_l3.png)