Answer:
Find the multiplicative inverse of -8.
If you missed this problem, review (Figure).
Solve for n: 45=20n.
If you missed this problem, review (Figure).
Evaluate 5{x}^{2} when x=10.
If you missed this problem, review (Figure).
When two quantities are related by a proportion, we say they are proportional to each other. Another way to express this relation is to talk about the variation of the two quantities. We will discuss direct variation and inverse variation in this section.
Solve Direct Variation Problems
Lindsay gets paid ?15 per hour at her job. If we let s be her salary and h be the number of hours she has worked, we could model this situation with the equation
