**Methods to Solve Quadratic Equations**

The general form of a quadratic equation is ax^{2}+ bx+ c=0, where a = 0 and is an example of a non-linear function.

Given any quadratic equation there are various methods of solving them in order to find their intercepts, vertex and axis of symmetry.

**Factoring method:**

**Example:** Solve the quadratic x^{2} -7x+12=0.

**2. Square-root method : **If a quadratic is of the form ax^{2} + c=0, then use the square root method.

**Example:**

**3.**** Completing the square: **When the quadratic is not factorable, use this method.

**Example:** x^{2 }+ 8x – 10= 0.

4. **Quadratic formula:**

Other **non-linear functions **include cubic functions, exponential and logarithmic functions whose graphs are not straight lines but are curves with different domain and ranges.

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You can also Read our other blog Nonlinear Functions & Quadratic (Algebra) |