Answer:

Step-by-step explanation:
Point slope form:

<em>Note: </em>
- <em>m represents the slope</em>
- <em>(x1,y1) represents the coordinate point</em>
Our answer would be 
Answer:
a5 = 2604
Step-by-step explanation:
a1 = 4
a2 = -5(4)-1 = -21
a3 =-5(-21)-1 = 104
a4 = -5(104)-1 =-521
a5 =-5(-521)-1 = 2604
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No solution because everything cancels out