Write an equation to describe the sequence below use and to represent the position of a term in the sequence where n equals one for the first term 1, 4, 16

  an = 4^(n-1)

Step-by-step explanation:

The three given terms have a common ratio of 4:

  4/1 = 16/4 = 4

So, this can be described by the function for a geometric sequence:

  an = a1×r^(n -1)

where an is the n-th term, a1 is the first term (1) and r is the common ratio (4).

  an = 1×4^(n-1)

  an = 4^(n -1) . . . . . simplified

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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