Quadratic Rules

Solving quadratic equations using the quadratic formula

If you recall . Roots or zeros are the points where the quadratic function crosses the x axis.

• Let's see what you remembered?  :) 

• When you solve quadratic equations .. you must set your quadratic equation = 0

• All of your terms must be in standard form Which means in order from highest exponent to smallest exponent. ( You remember what an exponent is right ? ) 

• For example : $4x^2+5x-2=0$ . This is in standard form.  

Multiple Choice

Is the following quadratic function in standard form ?
$$4x^2-2+5x=0$$  

• Yes, Of course it is

• No , Definitely not

To use the quadratic formula

1. Set your equation equal to 0

That may mean that you will have to