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- 1. Multiple ChoiceJimmy 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 carthe number of cars cleaned per brushthe number of brushesthe number of brushes needed to get started
- 2. Multiple ChoiceAn 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 overtimemoney earned each houra pay bonus for employeesthe pay for a really good work - 3. Multiple Choice
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 weekIt took 30 weeks to same enough money to open an accountnot enough information - 4. Multiple ChoiceThe 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 gasolinethe amount of gasoline consumed per km driventhe distance it takes to lose a Liter of gasthe gasoline is leaking because the slope is negative.
- 5. Multiple ChoiceThe graph represents the height of a burning candle. What is the meaning of the y-intercept?the time it takes to burn the entire candlethe rate at which the candle is losing heightthe change in the height of the candle each hourthe original height of the candle
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