Question

How to evaluate this ?

Answer 1

To evaluate the expression (-d)^3 / b when d = 2 and b = 4, follow these steps:

1. Substitute the given values of d and b into the expression:

(-d)^3 / b

= (-(2))^3 / 4

2. Calculate the value inside the parentheses first:

(-2)^3 = -2 * -2 * -2 = -8

3. Now, substitute the value into the expression:

(-2)^3 / 4 = -8 / 4

4. Perform the division:

-8 / 4 = -2

So, when d = 2 and b = 4, the expression (-d)^3 / b evaluates to -2.

Explanation:

Answer 2

To evaluate the problem, we can plug in our given values for the numbers in the fraction:

-d^3/b becomes -2^3/4

Next, we can evaluate the numerator by multiplying -2 by itself 3 times:

-2 • (-2) = 4
4 • (-2) = -8

Finally, we can divide our result by the denominator:

-8/4 = -2

Therefore, this evaluation is best simplified by -2.