

Solve for y

let's put our equation first

Flip the equation

Now follow the rule of 


_________________________

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add
to both sides

Divide both sides by 


would equal 
The first book you select can be any one of 700.
. . . For each of those ...
The second book can be any one of the other 699.
. . . For each of those ...
The third book can be any one of the remining 698.
The total number of ways to gather three books from the shelves into your hands is (700 · 699 · 698) = <em>341,531,400 ways</em> .
<em>BUT ...</em>
When you bring three books to the check-out counter, Marian the Librarian doesn't know in which order you took them down off the shelves. You could have gathered the same three books in (3 · 2 · 1) = 6 different ways.
So, even though there are 341,531,400 ways to<em> </em>gather up three books, there are only (341,531,400 / 6) = 56,921,900 different GROUPS of three books that you can choose to take home.
The <em>correct answer</em> is:
y less than or equal to 0
, or y ≤ 0.
Explanation:
The line drawn tells us what the equation will be that the inequality is formed from. Since the line is a horizontal line, this means it is of the form y=c, where c is some constant.
Since the horizontal line goes through the origin, (0, 0), this means the equation of the line is y=0.
Since the line drawn is solid, this means the inequality symbol will be either greater than or equal to, or less than or equal to. This is because the line is included in the solution set.
Since the graph is shaded below this line, this means our inequality is
y ≤ 0, or
y is less than or equal to 0.
You flip the 3/4. So it's 4/3. Then you multiply. Thats basicly how all division works. Flipping the last fraction and multiplying.