Point-Slope Form of a Line

Question 1

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 2

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

C: y + 2 = –(x – 3)

Question 3

Question 3

Revolt · Accepted Answer

A: y + 4 = (x + 4)

Question 4

Choose a linear function for the line represented by the point-slope equation y – 5 = 3(x – 2).

Revolt · Accepted Answer

B: f(x) = 3x – 1

Question 5

What is the y-intercept of the graphed linear function?(0, –8)(0, –2)(0, 2)(0, 4)

Revolt · Accepted Answer

D: (0, 4)

Question 6

Analyze each step to identify if Andy made an error. Yes, he made an error in Step 1. He switched the x and y values.Yes, he made an error in Step 2. He did not distribute properly. Yes, he made an error in Step 3. He should have subtracted 2 from both sides. No, his work is correct.

Revolt · Accepted Answer

A: Yes, he made an error in Step 1. He switched the x and y values.

Question 7

[___]

Revolt · Accepted Answer

C: f(x) = 0.25x+ 500

Question 8

$[___]

Revolt · Accepted Answer

B: 500

Question 9

The slope of the line is [___].

Revolt · Accepted Answer

C: m = 1/2

Question 10

A point on the line is [___].

Revolt · Accepted Answer

D: (1, 4)

Point-Slope Form of a Line Answers

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