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anonymous
 one year ago
Can someone please check my answer to this equation?
4b  8  + 1  b^2  + 2b^3 ; b = 2
the answer I got is 69, is this correct?
anonymous
 one year ago
Can someone please check my answer to this equation? 4b  8  + 1  b^2  + 2b^3 ; b = 2 the answer I got is 69, is this correct?

This Question is Closed

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1nope, not quite, lets break it down step by step

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dont you have to plug 2 into b first?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1yeah, what do you get when you do that?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.14b  8  = 88 = 0

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1almost, remember that the absolute value sign means that you remove the negative sign at the end 1b^2 = 14 = 5 = 5, with me so far?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1last step, find 2b^3 (be careful with signs!)

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1yup! now all that's left is 5  64 = your answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you :)! @Vocaloid
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