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SOL A.6B WRITE LINEAR EQUATIONS FROM GRAPH MINI QUIZ



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The graph shows the amount earned in one month by a car salesperson who sells x cars during that month.
Identify the slope and y-intercept of the line, write an equation to represent the situation and explain what they mean in this real-world context.
mc001-1.jpg
a.
slope = 1000
y-intercept = 150
y = 1000 x + 150
The car salesperson earns $150 per month plus $1000 for each car he or she sells.
b.
slope = 150
y-intercept = 1000
y = 150 x + 1000
The car salesperson earns $1000 per month plus $150 for each car he or she sells.
c.
slope = 1000
y-intercept = 150
y = 1000 x + 150
The car salesperson earns $1000 per month plus $150 for each car he or she sells.
d.
slope = 150
y-intercept = 1000
y = 150 x + 1000
The car salesperson earns $150 per month plus $1000 for each car he or she sells.
 

Short Answer
 

 1. 

A consultant has agreed to a fixed-fee contract to analyze a company's employee training needs. The company site is located several states away from where the consultant lives, so in addition to the contracted fee, the consultant will receive a daily allowance for living expenses. The graph below shows the amount owed the consultant for up to six days.

sa001-1.jpg

What is the dollar amount of the consultant's daily allowance for living expenses? How do you know?
What is the y-intercept? What does it represent in the context of this problem?
Write an equation for the situation described above.
 

 2. 

Write an equation of the line.

sa002-1.jpg
 

 3. 

Write an equation of the line.
sa003-1.jpg
 



 
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