SOLUTION: please help me if any one can if x^2-63x-64=0 and p and n are integers such that p^n=x,which of the following cannot be a value for p? (A)-8 (B)-4 (C)-1 (D)4 (E)64 PLEA

Question 926307: please help me if any one can
if x^2-63x-64=0 and p and n are integers such that p^n=x,which of the following cannot be a value for p?
(A)-8
(B)-4
(C)-1
(D)4
(E)64
PLEASE ANSWER ME ACCORDING TO THE CAPS
Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

if and and are integers such that , then

.......use quadratic formula

solutions:

or

solutions for variable

so, when we have an integer solution

; so, cannot be a value for
because gives us

can be because and

Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

please help me if any one can
if x^2-63x-64=0 and p and n are integers such that p^n=x,which of the following cannot be a value for p?
(A)-8
(B)-4
(C)-1
(D)4
(E)64
PLEASE ANSWER ME ACCORDING TO THE CAPS

(x - 64)(x + 1) = 0 x = 64, or x = - 1

A.
p = - 8

Thus, - 8 CAN BE a value for p

C.
p = - 1

Thus, - 1 CAN BE a value for p

D.
p = 4

Thus, 4 CAN BE a value for p

E.
p = 64

Thus, 64 CAN BE a value for p

, or CHOICE B CANNOT be a value for p
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