Question

can some one help me with graphing problems

Answer 1

https://picasaweb.google.com/100233949726156801693/DropBox?authkey=Gv1sRgCLbAqvj885W-xAE#5608554838612174530

Answer 2

you add me in skype tutorvilleacademy12

Answer 3

dont have skype

Answer 4

I try to elp but u left

Answer 5

I attach number 11 , the rest number is simila the same,you can do it
first step: \[x =\frac{-b}{2\times(a)}\]
second step ; plug x solve for y
third step: made table
last step: use the grid paper draw the grap
Number 11,12,13,14,16,17,18,19 coefficient is negative then the grap open down
Number : 15, 20 the coefficient is positive than the graph open up ward