Point-Slope Form of a Line

Question 1

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

Revolt · Accepted Answer

y + 2 = –(x – 3)

Question 2

[___] weeks

Revolt · Accepted Answer

15

Question 3

The slope of the line is [___].

Revolt · Accepted Answer

m = 1/2; The slope of the line is .: m = 1/2; A point on the line is .: (1, 4)

Question 4

A point on the line is [___].

Revolt · Accepted Answer

(1, 4)

Question 5

What is an equation of the line in point-slope form?[___]

Revolt · Accepted Answer

y + 1 = (1/3)(x + 2)

Question 6

How can the point-slope form be written in function notation?[___]

Revolt · Accepted Answer

f(x) = (1/3)x – (1/3)

Question 7

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.

Revolt · Accepted Answer

f(x) = 0.25x+ 500; 500

Question 8

$[___]

Revolt · Accepted Answer

500

Point-Slope Form of a Line Answers

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