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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

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
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
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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
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