Determine which points are a solution to the following inequality. Show how you know.
1 point
1
Question 8
8.
You are visiting an amusement park. It costs $3.25 for admission and $1.50 per ride.
Part A. Write an equation that you could use to find the cost to go to the amusement park. Let x represent the number of rides and y represent the total cost.
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Question 9
9.
Part B. Using your equation above, how much would you pay if you rode 8 rides?
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1
Question 10
10.
Part C. If you pay $15, how many rides did you go on?
1 point
1
Question 11
11.
Sally is starting a new company. The bottom line on the graph shows the initial projection for the cost, C, to produce x units. The top line shows the actual cost, C, to produce x units.
What is the equation of the line that represents the actual costs, and what do the coefficient of x and the constant represent in terms of the context of the problem?
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1
Question 12
12.
Carrie and J.T. both start climbing a cliff at the same time. Carrie climbs up the wall at a constant rate of 12 feet per minute. J.T. climbs up the wall at a constant rate of 10 feet per minute.
Write then graph the equations that represent the heights h that both have climbed, as a function of the time t in minutes since they both started climbing, shown on the same coordinate plane.
1 point
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Question 13
13.
At Congo River Putt Putt, it costs $3 per game, plus a one-time ball rental fee. The graph shows the relationship between the number of games played and the total cost.
What is the equation that represents this situation, and what are the meanings of the constant and coefficient in terms of the context?
1 point
1
Question 14
14.
Sketch the graph of the linear inequality below.
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1
Question 15
15.
Sketch the graph of the linear inequality below.
1 point
1
Question 16
16.
Sketch the graph of the linear inequality below.
1 point
1
Question 17
17.
Sketch the graph of the linear inequality below.
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1
Question 18
18.
Write an inequality to reprsent the scenerio. Then solve.
Keith has $650 in a savings account at the beginning of the summer. He wants to have at least $250 at the end of the summer. He withdraws $15 per week for food, clothing, and baseball tickets. How many weeks can Keith withdraw money from his account?
1 point
1
Question 19
19.
Write an inequality to reprsent the scenerio. Then solve.
Animal Supplies makes a profit of $7.50 per bag on its line of natural cat food. If the store wants to make a profit of no less than $7225, how many bags of cat food does it need to sell?
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1
Question 20
20.
Write the slope-intercept form of the equation from the following table.
1 point
1
Question 21
21.
Write the slope-intercept form of the equation from the following table.
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1
Question 22
22.
What kind of line would y > 2x + 5 have? How do you know?
1 point
1
Question 23
23.
How do you know where to shade when graphing inequalities?
1 point
1
Question 24
24.
Your checking account showed a balance at the beginning of the month of $290. After 4 days the checking account showed a balance of $195.50. Write a linear equation to represent the total in the checking account according to the day.
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1
Question 25
25.
A new store has opened in the area. The store did not have any profit before 2010. In 2010, they made a profit of $425. In 2015, they made a profit of $1500. Write a linear function that represents the amount of profit per year, f(x), where x is the number of years since 2010
1 point
1
Question 26
26.
Write the equation in FUNCTION NOTATION for each situation. Identify the rate of change.
To rent a moving truck, a customer must pay $120 plus $0.99 per mile.
1 point
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Question 27
27.
Write the equation in FUNCTION NOTATION for each situation. Identify the rate of change.
Each pair of pants are $25.99 plus $1.50 for shipping.