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Mathematics
8th
grade
Pre-algebra TEST #6
20 questions
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- 1. Multiple ChoiceWrite the equation for the table giveny = 1/3xy = 3xy = -1/3xy = -3x
- 2. Multiple ChoiceIf my function rule is x + 3, what is the OUTPUT if the input is 4?43710
- 3. Multiple ChoiceA store receives 7 new movies per week. Write an equation to find the number of movies "y" the store receives after "x" weeks.y = 7xx = 7yx + 7 = y
- 4. Multiple ChoiceJeff earns $10 per hours raking leaves. Write an equation to find the amount of money "y" he earns for "x" number of hours.y = 10xx = 10yy = x + 7
- 5. Multiple ChoicePablo has $12. He earns $7 for every lawn he mows. Write an equation to find the amount of money "y" he will have after "x" number of lawns.y = 12x + 7y = 7x + 12
- 6. Multiple ChoiceElliot wants to sign up for a gym membership. The gym require a $35 fee to sign up, then $12 every month. Write an equation to find the amount Elliot will pay for his gym membership "y" after "x" amount of months.y = 35x + 12y = 12x + 35y = 12x - 35
- 7. Multiple ChoiceABCD
- 8. Multiple ChoiceABCD
- 9. Multiple ChoiceConsider the equation:
y=-x+4
Identify the slope and y-intercept.m=4, b=-xm=-x, b=4m=1, b=4m=-1, b=4 - 10. Multiple ChoiceWhat is the y-intercept?7012
- 11. Multiple Choice
What is the formula to
Slope-Intercept Form?
y = mx + b
y - y1 = m(x - x1)
x = my + b
funky chickens
- 12. Multiple ChoiceFind the slope of the line that passes through:
(-4, 7) and (-6, -4)2/1113/23/1011/2 - 13. Multiple ChoiceWhat does the slope tell you about the line?SteepnessDirectionRate of changeAll of the above
- 14. Multiple ChoiceThe 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
- 15. 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
- 16. 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 - 17. Multiple ChoiceLeslie cleans the barns for the horses. Her time spent cleaning can be modeled by the equation y = 15 x + 30, where x represents the number of stalls that contains horses. What is the meaning of the y-intercept?The time it takes to clean one horsethe time it takes to clean one stallthe time it takes to clean an empty barnthe times it takes to clean each of the stalls with a horse
- 18. Multiple ChoiceWhat line has the steepest slope?All slopes are equalRedBlueGreen
- 19. Multiple Choice
Is the relationship shown on the graph directly proportional?
Yes
No
- 20. Multiple ChoiceWhat is the y -intercept in the equation y = 4x?4xy0
- Answer choicesTagsAnswer choicesTags