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Quadratic Equation are equations where the highest power of the variable (usually *x*) is 2, hence the word **Quad**ratic Equations

The standard form of Quadratic Equations is as follows...

This is because, even with an equation such as *x^2 = 5*, you can *always** change it to the standard form.

There! We got *1x^2 + 0x - 5 = 0*!

You can cross check it with the standard form and see its the same!

Did you wonder why "*a*" can't be zero in the standard form? Well look here.

At first glance, one may not notice the issue but let me pin point the definition of Quadratic Equation... * "Quadratic Equation are equations where the highest power of the variable is 2"*

The definition states the highest power of

**thank u! <3 NOW GO LEARN **

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* = take with a pinch of salt

Source: Grepper

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