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23 Cards in this Set
- Front
- Back
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The price per share of stock decreased from $90 per share to $36 per share. By what percent did the price of the stock decrease?
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60%
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A shirt cost $57.25. If sales tax is 9.8% what is the total cost of the shirt?
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$62.86
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A tent is discounted 35%.
a) If the original cost is $179.00 what is the discounted price? b) If sales tax is 9.8% what is the total cost of the tent? |
a) $116.35
b) $127.75 |
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How many pounds of walnuts that cost $0.80 per pound must be mixed with 8 pounds of cashews that costs $1.25 per pound to make a mixture of nuts that costs $1.00 per pound?
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10 lbs of walnuts
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Two cars, an Edsel and a Studebaker, are 635 kilometers apart. They start at the same time and drive toward each other. The Edsel travels at a rate of 70 kilometers per hour and the Studebaker travels 57 kilometers per hour. In how many hours will the two cars meet?
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5 hours
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The x- intercept is -5.
The y-intercept is 2. |
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1) Identify the x- and y- intercepts of the line -2x + 3y = 12.
2) Graph the line. |
x-intercept = -6
y-intercept = 4 |
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Jessica is burning a CD for her friend. The function C = 80 - 3.22n represents the time C (in minutes) available after n songs are recorded.
1) Find the zero of the function. 2) Graph the function 3) What does the zero mean in this context? |
The zero is 24.88.
The zero is the number of songs she can record on this CD. |
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1) What is the slope of the line?
2) What does the slope mean in the context of this graph? |
1) Slope = 2 cm/sec
2) This is apparently how fast a bug is moving on a rug. |
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What is the slope of the line that passes through (5,-8) and (3,-2)
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-3
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Find the value of r so the line that passes through each pair of points and has the given slope. (7, r), (4, 6), m = 0
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r = 6
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Find the value r so the line that passes through each pair of points has the given slope (5 ,3), (r, -5), m = 4
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r = 3
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A daily newspaper has 12,125 subscribers when it began publication. Five years later it had 10,100 subscribers. What is the average yearly rate of change in the number of subscribers for the five-year period?
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405 subscribers per year
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The value of y varies directly with x. y = 25 when x = 15.
1) Find k 2) Write the equation that relates x and y. 3) Find x when y = 6 |
1) k = 5/3
2) y = 5/3 x 3) x = 18/5 |
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Graph y = 1/2 x
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Graph y = -3
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Graph -4x + 10y = 20
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Graph y = -3x + 5
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Write the equation of a line that passes through (-9,-7) with a slope of 6.
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y = 6x + 47
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y = -x
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y = -1/3x -3
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y = 2
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Carla has written 10 pages of a novel. She plans to write 15 additional pages per month until she is finished.
1) Write an equation to find the total number of pages P written after any number of months m. 2) Graph the equation. 3) Use the equation to find number of pages written after 5 months. |
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