Using Rational Roots Test

[nycmathguy]

Section 2.5
15 & 16

Question 15

Possible Rational Zeros:

±1, ± 2

Graph given for 15 proves this to be true.

Question 16

Possible Rational Zeros:

±1, ±2, ±4, ± 8, ± 16

Graph given for 16 proves this to be true.

 

[MathLover1]

correct

 

[nycmathguy]

correct

Cool.