Interpret Slope and Y-Intercept
4 years ago
davismonica
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5 QuestionsShow answers
  • 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?
    answer choices
    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?
    answer choices
    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?
    answer choices
    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?
    answer choices
    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?
    answer choices
    the time it takes to burn the entire candle
    the rate at which the candle is losing height
    the change in the height of the candle each hour
    the original height of the candle
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