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MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025-2.4 Varying The Coefficients: Direct Proportionali | Actual Q&A | A Grade

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MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025-2.4 Varying The Coefficients: Direct Proportionali | Actual Q&A | A Grade (Latest 2025) This includes the most up-to-date exam questions, reflecting the most current version of the exam completed in 2025. Many of the questions have changed from previous years. This exam questions include new sets of questions of the MAC 1105. Students can feel confident that this exam accurately represents the questions they are likely to encounter during their module assessments in 2026.

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3/2/25, 9:26 p.m. 2.4 Varying The Coefficients: Direct Proportionali - MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025 | WebAssign




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MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025
INSTRUCTOR
2.4 Varying The Coefficients: Direct Proportionali (Homework) Chessy Fernandez
Santa Fe College


Current Score


QUESTION 12 13 14 15 16 17 18 19 20 21

POINTS 4.76/4.76 4.76/4.76 4.76/4.76 4.76/4.76 4.76/4.76 4.76/4.76 4.76/4.76 4.76/4.76 4.76/4.76 4.8/4.



TOTAL SCORE


90.48/100 90.5%



Due Date


MON, FEB 3, 2025
11:59 PM EST

REQUEST EXTENSION



Assignment Submission & Scoring
Assignment Submission
For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or
change the answer.
Assignment Scoring
Your best submission for each question part is used for your score.




1. [4.76/4.76 Points] DETAILS MY NOTES SCOLALGCC1CR 2.4.003.

PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER

A line has the equation y = 8x + 1.

(a) This line has slope 8 .


(b) Any line parallel to this line has slope 8 .


(c) Any line perpendicular to this line has slope -1/8 -1/8 .



https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=36205220&tags=autosave#question4451552_20 1/15

,3/2/25, 9:26 p.m. 2.4 Varying The Coefficients: Direct Proportionali - MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025 | WebAssign


2. [4.76/4.76 Points] DETAILS MY NOTES SCOLALGCC1CR 2.4.004.

PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER

(a) If the quantities x and y are related by the equation y = 2x, then we say that y is directly proportional to x and the constant of proportionality is
2 .


(b) If y is directly proportional to x and if the constant of proportionality is 2, then x and y are related by the equation y = 2 x.




https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=36205220&tags=autosave#question4451552_20 2/15

,3/2/25, 9:26 p.m. 2.4 Varying The Coefficients: Direct Proportionali - MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025 | WebAssign


3. [4.76/4.76 Points] DETAILS MY NOTES SCOLALGCC1CR 2.4.005. PREVIOUS ANSWERS ASK YOUR TEACHER

(a) Compare the slopes and y-intercepts of the lines l 1, l 2, l 3, and l 4. (Select all that apply.)




Which lines have the greatest slope?

l1

l2

l3

l4

none of the above




Which lines are parallel to each other?

l 1 and l 2

l and l
2 3

l 3 and l 4

l 1 and l 4

none of the above




Which lines are perpendicular to each other?

l 1 and l 2

l 2 and l 3

l 3 and l 4

l 1 and l 4

none of the above




(b) Compare the slopes and y-intercepts of the lines l 1, l 2, l 3, and l 4. (Select all that apply.)




Which line has the greatest slope?




https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=36205220&tags=autosave#question4451552_20 3/15

, 3/2/25, 9:26 p.m. 2.4 Varying The Coefficients: Direct Proportionali - MAC 1105 - Fernandez - Spring 25, section 003, Spring 2025 | WebAssign

l1

l2

l3

l4

none of the above




Which lines are parallel to each other?

l 1 and l 2

l 2 and l 3

l and l
3 4

l 1 and l 4

none of the above




Which lines are perpendicular to each other?

l 1 and l 2

l 1 and l 3

l 2 and l 3

l 2 and l 4

none of the above




4. [–/4.76 Points] DETAILS MY NOTES SCOLALGCC1CR 2.4.007. ASK YOUR TEACHER

True or false?

(a) If electricity costs $0.20 per kilowatt-hour, then the cost of electricity is directly proportional to the number of kilowatt-hours used.
True

False


(b) If a phone plan costs $5.85 per month plus $0.22 per minute, then the monthly phone cost is directly proportional to the number of minutes used.
True

False


(c) If the price of apples is $0.78 per pound, then the cost of a bag of apples is directly proportional to the weight.
True

False


(d) If the price of tomatoes is $2.96 per pound, then the cost of a box of tomatoes is directly proportional to the number of tomatoes in the box.
True

False




https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=36205220&tags=autosave#question4451552_20 4/15

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