Question

D. _116 in. 14| Find the value of x to make the equation true. n2 = (n) 19 Which number V1272 A. 5 A. x= -1 B. X=1 x = 2 D. = x= 2 C 12 D. 62 Illuminate ItembankTM C.

Answer 1

Ariri, this is the solution to the problem:

Let's recall that one of the properties of exponents is the Quotient of Powers, that tells us the following:

`(a^x)/(a^y)=a^{x\text{ - y}},\text{ when a }\\e\text{ 0}`

In consequence,

n^10/n^12 = n^10 - 12 = n ^-2

Now, we replace this way using another of the properties of the exponents, Power of Powers :

(n^x)^1 = n ^-2

n^x = n^-2

The bases are equal, we can solve this way:

x = - 2

The correct answer is