Solve the problem. Write all linear equations in slope-intercept form. 15) Suppose that a sales person observes that if an item is priced at $8 per item then 11 items are sold. If 9 items are sold for $ 10 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line. A) y =-x+3 B) y = x +3 C) y =-x + 19 D) y=x +19

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter4: Graphs
Section4.6: Find The Equation Of A Line
Problem 500E: Cholesterol. The age, x, and LDL cholesterol level, y, of two men are given by the points (18,69)...
icon
Related questions
Question
Solve the problem. Write all linear equations in slope-intercept form.
15) Suppose that a sales person observes that if an item is priced at $8 per item then 11 items are
sold. If 9 items are sold for $ 10 per item then find a linear equation to model the number y of
items sold for x dollars per item. Find the slope-intercept form of the equation of the line.
A) y =-x+3
B) y = x +3
C) y =-x + 19
D) y=x +19
Transcribed Image Text:Solve the problem. Write all linear equations in slope-intercept form. 15) Suppose that a sales person observes that if an item is priced at $8 per item then 11 items are sold. If 9 items are sold for $ 10 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line. A) y =-x+3 B) y = x +3 C) y =-x + 19 D) y=x +19
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
Elementary Algebra
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL