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What relationship is there between when the product of fghj changes from positive to negative or negative to positive and the -intercepts?

a) There is no relationship between the two.
b) The relationship depends on the values of f, g, h, and j.
c) The product changes from positive to negative when the -intercepts are positive.
d) The product changes from positive to negative when the -intercepts are negative.

1 Answer

3 votes

Final answer:

A negative slope means that two variables are negatively related.

Step-by-step explanation:

A negative slope means that two variables are negatively related; that is, when x increases, y decreases, or when x decreases, y increases. Graphically, a negative slope means that, as the line on the line graph moves from left to right, the line falls. The altitude-air density relationship, shown in Figure A4 later in this appendix, has a negative slope. We will learn that price and quantity demanded have a negative relationship; that is, consumers will purchase less when the price is higher.

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