|
What if we want to graph this?
Hmm... It doesn't look like
there's enough there!
Where's the
x?
We're used to these:
Well, here's the deal:
If the
x
isn't there, then it
can be anything!
And
y
is locked in at -2.
So, what would this
look like?
So, what's the slope
of this line? Grab two points and see?
The
slope of a horizontal line is
0!
Since it's always
hard to remember when these guys are horizontal and when they are
vertical, I've got a sentence that will always save you...
When you see
y =
-2,
say this:
|
y
is always
-2
and x
can be anything! |
This tells you what
the graph should look like!
TRY IT:
|
Graph |
 |
...
Then, grab two points and find the slope.
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