Question

evaluate the expression for the given value of the variable |b|+b³;b=-2

Answer 1

|b| + b^3; b = -2

• Substitute -2 for b.

|(-2)| + (-2)^3

• Solve exponents first.

|(-2)| + (-8)

• |(-2)| is the same as positive 2 since it is the absolute value.

• Rewrite the expression.

2 + (-8)

• Solve.

-6 is your answer.