Interpret Slope and Y-Intercept
4 years ago
davismonica
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• Question 1
60 seconds
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Q. Jimmy needs 16 brushes to clean 10 cars.  He needs 20 brushes to clean 14 cars.  If the equation y= x + 6 can be used to determine the number of brushes needed for x cars, what is the meaning of the slope?
the number of brushes needed per car
the number of cars cleaned per brush
the number of brushes
the number of brushes needed to get started
• Question 2
60 seconds
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Q. An employer uses the equation
y = 9x + 100 to determine how much to pay his employees for the holidays.  In the equation, y is the total money paid and x is the number of hours worked.  What is the meaning of the y-intercept?
the amount of hours need to earn overtime
money earned each hour
a pay bonus for employees
the pay for a really good work
• Question 3
120 seconds
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Q. The graph represents the money in a savings account.  What is the meaning of the y-intercept?
The initial deposit was \$30
\$30 is added to the account each week
It took 30 weeks to same enough money to open an account
not enough information
• Question 4
120 seconds
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Q. The graph represents gasoline consumption when driving a certain distance in km.  What is the meaning of the slope?
The tank started with 50 L of gasoline
the amount of gasoline consumed per km driven
the distance it takes to lose a Liter of gas
the gasoline is leaking because the slope is negative.
• Question 5
120 seconds
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Q. The graph represents the height of a burning candle.  What is the meaning of the y-intercept?