Question

Write an explicit formula for this sequence:    

$$\{-4,-2,-1,-\dfrac{1}{2}, ... -\dfrac{1}{32}\}$$    

where $$-\dfrac{1}{32}$$ is the 8th term in the sequence.

Accepted Answer

$$a_n=-4 \left( \dfrac{1}{2} \right)^{n-1}$$

Answer

$$a_n=4 (2)^{n-1}$$

Answer

$$a_n=-4 (2)^{n-1}$$

Answer

$$a_n=4 \left( \dfrac{1}{2} \right)^{n-1}$$

Question 6 - High School Algebra I Practice Test for the STAAR test