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Mathematics 16 Online
OpenStudy (anonymous):

how do i do quadratics equations?? i get totally loss when im doing this

OpenStudy (anonymous):

What about quadratic equations?

OpenStudy (meowlover17):

Okay so first off lets identify quadratics

OpenStudy (meowlover17):

x^2-x+1=0 is a quadratic

OpenStudy (meowlover17):

How do you know this you may ask? Well first off the X's exponent cuts in half

OpenStudy (meowlover17):

Now to solve for a quadratic there are two ways that are most commonly used

OpenStudy (meowlover17):

First there is the Quadratic Formula that you may or may not know, which is

OpenStudy (anonymous):

o.O im confused once more

OpenStudy (meowlover17):

\[b \pm \sqrt{b^2-4ac//2}\]

OpenStudy (meowlover17):

We could solve a quadratic if you have one available and i'll walk you through the steps.

OpenStudy (meowlover17):

Would you like to solve a simple quadratic with me?

OpenStudy (anonymous):

ok?

OpenStudy (meowlover17):

\[8x^2+16x-20=0\]

OpenStudy (meowlover17):

Do you know how to solve this?

Nnesha (nnesha):

there is a typo you forgot - and a at the denominator \[\huge\rm \frac{ \color{red}{- }b \pm \sqrt{b^2 -4ac} }{ 2\color{reD}{a} }\] quadratic formula where abc values are \[\huge\rm Ax^2 +Bx+C=0\]

OpenStudy (meowlover17):

@Nnesha Sorry thank you for catching that :D

Nnesha (nnesha):

np :-)

OpenStudy (meowlover17):

Ok onlii_bri lets try to solve to quadratic above, would you like to use the quadratic formula or split it up?

OpenStudy (anonymous):

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