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Question and answer
Q: simply the equation 4^-2
A: 4^-2 = 1/4^2 = 1/16
Question
Asked 2/14/2012 1:50:44 PM
Updated 6/27/2016 9:10:46 AM
1 Answer/Comment
Edited by Andrew. [6/27/2016 9:10:08 AM]
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4^-2
= 1/4^2
= 1/16
Added 6/27/2016 9:10:46 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
simplify this equation -5^-2
Question
Not Answered
Updated 4/5/2015 12:55:57 PM
1 Answer/Comment
-5^-2 = 1/-5^2 = 1/25 = 0.04
Added 4/4/2015 9:11:39 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/5/2015 8:22:15 PM]
Solve the system by elimination. 4x + y = 8 -3x - y = 0
Question
Not Answered
Updated 280 days ago|9/10/2017 3:20:56 PM
1 Answer/Comment
Using the elimination method:
4x + y = 8
-3x - y = 0

(4x + y = 8) * 3
12x + 3y= 24
(-3x - y = 0) * 4
-12x - 4y = 0

(12x + 3y = 24) + (-12x - 4y = 0)
-y = 24
y = 24

4x + (-24) = 8
4x - 24 = 8
4x = 8 + 24
4x = 32
x = 32/4
x = 8

The solution set is: (8, -24)

Added 281 days ago|9/10/2017 1:32:51 AM
This answer has been confirmed as correct and helpful.
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