Using Rational Zero Test

[nycmathguy]

Section 2.5
Question 20

Applying synthetic division successively, I found the following roots: x = -4, x = 1, x = 3. I also know that a cubic function means 3 roots.

See attachment below.

 

[MathLover1]

perfect

 

[nycmathguy]

Section 2.5
Question 20

View attachment 452

Applying synthetic division successively, I found the following roots: x = -4, x = 1, x = 3. I also know that a cubic function means 3 roots.

See attachment below.

View attachment 453

View attachment 454

Thank you. More math this weekend, Lord willing.