4-1 Graphing Equations In Slope-Intercept Form Worksheet With Answers Page 3

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14. 
ANSWER:  
4-1 Graphing Equations in Slope-Intercept Form
y = −2x + 3
system for his car using a layaway plan.
15.  FINANCIAL LITERACY  Rondell is buying a new stereo
 
 
a.  Write an equation for the total amount S that he has paid after w weeks.
 
b.  Graph the equation.
 
c.  Find out how much Rondell will have paid after 8 weeks.
ANSWER:  
a.  S = 10w + 75
 
b.
 
c.  $155
16.  CCSS REASONING  Ana is driving from her home in Miami, Florida, to her grandmother’s house in New York
City. On the first day, she will travel 240 miles to Orlando, Florida, to pick up her cousin. Then they will travel 350
miles each day.
 
a.  Write an equation for the total number of miles m that Ana has traveled after d days.
 
b.  Graph the equation.
 
c.  How long will the drive take if the total length of the trip is 1343 miles?
ANSWER:  
a.  m = 350d + 240
 
b.
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