Quadratic Rules Lesson

3 Slides • 1 Question

1

Solving quadratic equations using the quadratic formula

2

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.

3

Multiple Choice

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

1

Yes, Of course it is

2

No , Definitely not

4

To use the quadratic formula

1. Set your equation equal to 0

That may mean that you will have to

Solving quadratic equations using the quadratic formula

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