Need ! name: tayon
date:

graded assignment
unit test, part 2: slope
answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit.
total score: of 15 points
(score for question 1: of 6 points)
1. refer to the equation 2x − 6y = 12.
(a) create a table of values for at least 4 points. show your work.
(b) use the table of values to graph the line.


 
(score for question 2: of 5 points)
2. the line segment graphed on the coordinate plane represents a roof with several triangular supports. each support is triangular, with a horizontal board that starts on the edge of the roof and connects with a vertical board that ends on the edge of the roof as shown.

(a) does each support have the same starting coordinates? explain.
(b) does each support have the same ending coordinates? explain.
(c) does each support have the same change in x-values? explain.
(d) does each support have the same change in y-values? explain.
(e) does each support have the same ratio of change in y-values over change in x-values? explain.

 
(score for question 3: of 4 points)
3. the equation y = 12x describes the amount of money louis earns, where x is the number of hours he works and y is the amount of money he earns.
the table shows the amount of money carl earns for different numbers of hours worked.
carl’s earnings
time (h) 3 5 8 10
money earned ($) 45 75 120 150
(a) how much money does carl earn per hour? show your work.
(b) who earns more per hour? justify your answer.
(c) draw a graph that represents carl’s earnings over time in hours. remember to label the axes.