## Intermediate Algebra for College Students (7th Edition)

Multiply the common ratio to get the next term to obtain: $a_1=-\frac{1}{16} \\a_2=\frac{1}{4} \\a_3=-1 \\a_4=4 \\a_5=-16$
Multiply the common ratio to get the next term to obtain: $a_1=-\frac{1}{16} \\a_2=-\frac{1}{16}(-4) = \frac{4}{16} = \frac{1}{4} \\a_3=\frac{1}{4}(-4)=-1 \\a_4=-1(-4)=4 \\a_5=4(-4) = -16$