Final answer:
The goal in the expression 1000/r is to identify the role of the variable r, which is option B.
Step-by-step explanation:
The correct answer is option B) The variable r that completes the equation 1000/r. When solving an algebraic expression like 1000/r, you are typically looking for values of the variable that will satisfy the equation or expression. In the given expression, there is no equation to solve per se, since there is no equality sign; rather, it's just an expression with a variable r in the denominator.
The variable r that completes the equation 1000/r.
To solve the algebraic expression 1000/r, we want to find the value of r that makes the equation true. We can solve it by multiplying both sides of the equation by r. This eliminates the denominator and leaves us with 1000 = r.
So, the variable r completes the equation 1000/r.
The goal is to understand the role of r in that expression. No specific value for r is provided in this context, and thus we are not actually solving for a particular number but understanding the relationship in the expression.