If anyone can check my work for me that would be greatly appreciated I'm having trouble.

Evaluate the expression foe the given value of the variable.

|-4b-8|+|-1-b^2|+2b^3; b=-2 I got 1 for my answer - 4 (-2) - 8-1+2^2+2 (-2) 8-8-1+2^2-4 - 1+2^2-4 1

Question

Weaver

Mathematics

1 December, 19:39

If anyone can check my work for me that would be greatly appreciated I'm having trouble.

Evaluate the expression foe the given value of the variable.

|-4b-8|+|-1-b^2|+2b^3; b=-2 I got 1 for my answer - 4 (-2) - 8-1+2^2+2 (-2) 8-8-1+2^2-4 - 1+2^2-4 1

+4

Answers (1)

Know the Answer?

Stephen Cuevas · Answer 1

The answer is - 13. Solution: = |-4b - 8| + |-1 - b^2| + 2b^3 = |-4 (-2) - 8| + |-1 - - 2^2| + 2 (-2) ^3 = |8-8| + |-1+4| + 2 (-8) = |0| + |3| + (-16) = - 13

If anyone can check my work for me that would be greatly appreciated I'm having trouble.Evaluate the expression foe the given value of the variable.|-4b-8|+|-1-b^2|+2b^3; b=-2 I got 1 for my answer - 4 (-2) - 8-1+2^2+2 (-2) 8-8-1+2^2-4 - 1+2^2-4 1

If anyone can check my work for me that would be greatly appreciated I'm having trouble.

Evaluate the expression foe the given value of the variable.

|-4b-8|+|-1-b^2|+2b^3; b=-2 I got 1 for my answer - 4 (-2) - 8-1+2^2+2 (-2) 8-8-1+2^2-4 - 1+2^2-4 1