Answer
See explanation
Work Step by Step
$Advantages$
- You can actually see and visualise the answer in the form of a graph for better understanding.
- It can be used to check answers for quadratic equations solved algebraically.
- Useful for giving estimates
- Sometimes easier especially for complicated quadratic equations.
$Disadvantages$
- Takes much longer to solve compared to solving algebraically.
- You can't get an exact solution unless you have graphing software
- There's a chance that you draw your graph wrong, giving incorrect solutions
- Only gives the answer for real roots, can't display imaginary roots such as $\sqrt 2 i$.
