~*♥*~ Making a Table ~*♥*~
For this, you're going to need a graphing calculator. I dunno how
to do it without one, lol. SORRIE! So get yourself a graphing
calculator that looks something like a giant oddball oval with buttons
on it and weighs approx. 50 stinkin' pounds -.-' (I'm just kidding)
Ex.
y = x² - 6x + 5
The vertex is (3, -4)
Now here is where the other 2 CONSECUTIVE X VALUES come in.
y = (4)² - 6(4) + 5 = -3
y = (5)² - 6(5) + 5 = 0
And that's pretty much it. Lame, I know. Easy, yes. Now let us do another one.
Ex.
y = x² + 2x + 15
The vertex is (-4,-1)
And now we do the 2 consecutive X values...
y = (3)² + 2(-3) + 5 = 0
y = (-2)² 2(-2) + 5 = 3
And ANOTHER EXAMPLE *rolls eyes* I'm only doing this many because my math teacher said so...
Ex.
y = 6x² - x - 2
The vertex is (½ , -49/24) How?
y = 6(1)² - 1 - 2 = 3
y = 6(2)² - 2 - 2 = 20
