Question 1:
Solve the following quadratic equations by factorisation.
Solution:
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-1-1024x751.png)
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-1-1-828x1024.png)
Solve the following quadratic equations by factorisation.
Solution:
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-1-1024x751.png)
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-1-1-828x1024.png)
Question 2:
Solve the following quadratic equations by completing the square.
Solution:
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-2.png)
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-2-1.png)
Solve the following quadratic equations by completing the square.
Solution:
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-2.png)
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-2-1.png)
Question 3:
Solve the following quadratic equations by using quadratic formula. Give your answer in four significant figures.
Solution:
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-3.png)
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/Picture3.png)
Solve the following quadratic equations by using quadratic formula. Give your answer in four significant figures.
Solution:
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/paper1-3.png)
![](http://spmaddmaths.blog.onlinetuition.com.my/wp-content/uploads/sites/3/2018/01/Picture3.png)