2 Solve Polys

>0 on the graph means to look for...

• negative intervals (below)

• positive intervals (above)

• single roots

• double roots

< 0 on the graph means to look for...

• negative intervals (below)

• positive intervals (above)

• single roots

• double roots

Opposite signs on either side of the root means...

• negative intervals

• positive intervals

• x-int or single root

• double root

same signs on either side of the root means

• negative intervals

• positive intervals

• single root

• double root

≤ 0 means _____ for writing the domain

• [ ] and negative

• ( ) and negative

• [ ] and positive

• ( ) and positive

< 0 means _____ for writing the domain

• [ ] and negative

• [ ] and positive

• ( ) and negative

• ( ) and positive

> 0 means _____ for writing the domain

• [ ] and negative

• [ ] and positive

• ( ) and negative

• ( ) and positive

≥ 0 means _____ for writing the domain

• and negative

• and positive

• or negative

• or positive

I can NOT use this to find the roots

• Desmos graph

• my neighbor

• table in calculator

• solve by factoring

For synthetic division, a root has the remainder....

• = 0

• is positive

• is negative

• is undefined