this is a video on the quadratic formula
and let's get started
uhm to access my menu
you have to press second alpha
to enter the letters i n d e x
then press alplha to enter the eight
and the open and closed parenthesis
press enter and you are into my menu
you can go up and down with the cursor
to get to the bottom of the menu
or up top here
ah you can see how many things there
are for you to pass your calculus test
and do your homework
but we're going to do the quadratic formula
the quadratic formula right now
and we're going to scroll up to that
I give you a little help on what it actually
is
and what it solves ecetera
here's the formula which you write on your
paper
that's the first thing you do
in your partial credit problems
write the formula
you get two points just for that
and uhm we're going to enter the a b and c
ah you have to press alpha before you enter
anything into the entry lines here
press alpha minus thirteen
press alpha six
and alpha nine
I always show you what you've entered
so you can change it if you've made a mistake
I say it's ok
I'll press one here
I give you the choice of the quick answer
or step by step
I'll do the quick answer right now
here's that formula with everything
all the variables entered into it
and here's the answer in
exact form and approximate form
exact and approximate
pretty neat huh
every step calculus dot com
go to my site buy my programs
and pass calculus
