A trendline passes through the ordered pairs (9, 12) and (12, 17). What is the slope? Question 6 options:

3/5

5/3

-3/5

-5/3
The following trendline equation predicts the retail cost, y, of a particular wireless headset x months after its initial release.

y = -15x + 180

What is the predicted retail cost, to the nearest dollar, 3 months after the initial release?

Question 9 options:

$120

$12

$135

None of these

Question 10 (2 points)
An economist creates a scatter plot comparing years of experience to yearly salary (in dollars) at a particular company. The trend line through the data can be described by the equation y = 9,000x + 25,000.

What is the slope and what does it mean?

Question 10 options:

9,000; For their every year of experience an employee has, their salary goes up by this amount.

25,000; For their every year of experience an employee has, their salary goes up by this amount.

25,000; Regardless of how much experience an employee has, this is the minimum amount the employee will earn at this company.

9,000; Regardless of how much experience an employee has, this is the minimum amount the employee will earn at this company.