Point-Slope Form of a Line Answers

m = –2m = –(1/2)✔ m = 1/2m = 2

(–4, –1)(4, 1/2)(1/2, –1)✔ (1, 4)

Which point-slope equation represents a line that passes through (3, –2) with a slope of ?

Analyze each step to identify if Andy made an error.

A tile factory earns money by charging a flat fee for delivery and a sales price of $0.25 per tile. One customer paid a total of $3,000 for 10,000 tiles. The equation y – 3,000 = 0.25(x – 10,000) models the revenue of the tile factory, where x is the number of tiles and y is the total cost to the customer. Which function describes the revenue of the tile factory in terms of tiles sold? What is the flat fee for delivery? $

0.25✔ 5003,00010,000