Now, for two really important things!
So important, in fact, that we call them "theorems."
n degree polynomial can cross or
touch the x-axis up to n times.
Let's rephrase this guy more mathematically:
n degree polynomial
Here's the second one:
Remember, that on the odd degree polynomials, the tails always shoot off in opposite directions... Right? So...
Odd degree polynomials
the x-axis, at least, once.
Get these in your head!
Who starred in The Terminator?
OK, forget that -- now you have room!