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by jazzyjaz
Sun Jan 16, 2011 4:10 pm
Forum: Arithmetic
Topic: I need help understanding the result of z(z-17)(Z+2)=0
Replies: 1
Views: 1913

I need help understanding the result of z(z-17)(Z+2)=0

Ok, i got this equation: z(z-17)(Z+2)=0 That the manual gives this as an answer: -2, 0, 17. MY problem, is how do you achieve this. Where do I start. What is the chain of operations. So far I have tried doing this: z(z-17)(Z+2)=0 z(z-17)/(Z+2)=0/(z+2) or z(z-17)(Z+2)=0 Z^2-17z(Z+2)=0 Z^3+2z^2-17z-34...
by jazzyjaz
Sun Jan 16, 2011 2:35 pm
Forum: Arithmetic
Topic: finding a simple solution to (-8)^(4/3)
Replies: 2
Views: 1736

Re:

I got this to find the answer: (-8) with a 4/3 exponent The answer in the book says 16, but i dont understand what to do to and how to achieve 16 as a result. Can someone help me and explain how you get to 16. Are you having trouble with the negative number , with exponents in general , or with fra...
by jazzyjaz
Fri Jan 14, 2011 2:02 am
Forum: Arithmetic
Topic: finding a simple solution to (-8)^(4/3)
Replies: 2
Views: 1736

finding a simple solution to (-8)^(4/3)

Hi,

I got this to find the answer:

(-8) with a 4/3 exponent

The answer in the book says 16, but i dont understand what to do to and how to achieve 16 as a result. Can someone help me and explain how you get to 16.

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