jakejz51603
jakejz51603 jakejz51603
  • 23-06-2018
  • Mathematics
contestada

What is the value of this expression when a=3 and b=-2?

What is the value of this expression when a3 and b2 class=

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sqdancefan
sqdancefan sqdancefan
  • 23-06-2018
You can put the numbers where the variables are and do the arithmetic, or you can simplify the expression first. In the latter case, you have
(3a^(-2-(-1))b^(6-5)/2)^2 = (3a^(-1)b^1/2^2 = (3b/(2a))^2
= (3(-2)/(2(3)))^2 = (-1)^2 = 1

The value of the expression is 1.
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thicklooney
thicklooney thicklooney
  • 20-12-2018

Answer:

The test answer is 1.

Step-by-step explanation:

My answer was incorrect and the test said 1 was the correct answer, i apologize.


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