Quadratic Polynomials - Math

[Pages:9]Quadratic Polynomials

If 0 then the graph of 2 is obtained by starting with the graph of 2,

a>

ax

x

and then stretching or shrinking vertically by . a

If 0 then the graph of 2 is obtained by starting with the graph of 2,

a<

ax

x

then flipping it over the -axis, and then stretching or shrinking vertically by x

the positive number . a

When 0 we say that the graph of 2 "opens up". When 0 we say

a>

ax

a<

that the graph of 2 "opens down". ax

I Cit

i-a

x-ax~S

* * * * * * `s*-aXiS* * --1*0.? * * * ~12

148

stlstlstleehhhhehhffIIfaiaittIaifftff,,fftttt,ttiaiaaaddiaanndn,n,n,ngg>c>cgdd>cd,,,ttddtcc00dhhc0hee ................
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