### Home > CCG > Chapter 8 > Lesson 8.2.2 > Problem8-86

8-86.

What is the $150^{\text{th}}$ term in this sequence? Homework Help ✎

17, 16$\frac { 1 } { 2 }$, 16, 15$\frac { 1 } { 2 }$, ...

Is this a geometric or arithmetic sequence?

For more help refer to the Math Notes box in Lesson 4.1.3.

The equation for a geometric sequence is: $a_1 \cdot b^{n − 1}$

The equation for the arithmetic sequence is: $a_n = m(n − 1) + a_1$