SOLUTION: What is the instantaneous slope of y = eight over x at x = –3? negative 8 over 3 8 over 3 negative 8 over 9 8 over 9

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Question 987333: What is the instantaneous slope of y = eight over x at x = –3?
negative 8 over 3
8 over 3
negative 8 over 9
8 over 9
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
The gradient at x = -3 on
the equation y = 8/x
y = 8/x
y = 8x^-1
dy/dx = -8x^-2
dy/dx = -8/x^2
@ x = -3
= -8/(-3)^2
= -8/9
Hope this helps :-)