How can we help?

You can also find more resources in our Help Center.

step 1

replace function with y

step 2

put in order

step 3

find x= -b/2a and graph dotted vertical line.

step 4

find y by substituting x in the equation.

step 5

let y=0 and factor

step 6

if cant factor pick one x on left side of dotted line and one x on right side then graph.