+0  
 
0
94
4
avatar+83 

Evaluate the expression for the given value of the variable.       

| b| + b³ ; b = –2

 Nov 21, 2018
 #1
avatar+95884 
+2

l b l   + b^3         b = -2

 

l - 2 l   +  (-2)^3    =

 

2  +   ( - 8)    =

 

-6

 

 

cool cool cool

 Nov 21, 2018
 #2
avatar
+1

Since b=-2, you just have to use -2 instead of b in that expression.

Therefore |-2|+(-2^3)=2+(-8)=2-8=6

 Nov 21, 2018
 #3
avatar+128 
+1

-6

abs.value(-2) = 2

cubed.value(-2) = -8

2+(-8) = 2-8 = -6

 Nov 21, 2018
 #4
avatar+512 
0

Substitute.

\(|-2|+(-2)^3=|-2|+(-8)=2+(-8)=-6\)

 

You are very welcome!

:P

 Nov 21, 2018

16 Online Users

avatar
avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.