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Solve Linear Equations

  1. Question 110/10Given a function described as the equation y = 4x – 4, what is y when x is 1, 2, and 3? answer choices 
    1. 4, 8, 12
    2. 2, 8, 16
    3. 0, 4, 8Correct answer
    4. 0, 6, 12
  2. Question 210/10What are m and b in the linear equation, using the common meanings of m and b?2 + 3x + 5 – 2x = y
    answer choices 
    1. m is 7 and b is 2
    2. m is 1 and b is 7Correct answer
    3. m is 2 and b is 7
    4. m is 1 and b is 8
  3. Question 30/10To draw a graph for y = 3/4x + 7, a person can draw a point at x of 0 and y of ___, a second point by going up 3 and over ___, and then draw a line through the points. answer choices 
    1. 3, 7
    2. 4, 7
    3. 7, 4Correct answer
    4. Incorrect:7, 3
  4. Question 410/10According to the graph below, what is y when x is 4?

    A coordinate system has a horizontal x-axis from 0 to 6 with ticks in increments of 1 and a vertical y-axis from 0 to 10 with ticks in increments of 10. The following points are plotted on the graph: ordered pairs 1 comma 10, 2 comma 8, 3 comma 6, 4 comma 5, 5 comma 2, and 6 comma 1.

    answer choices 
    1. 6
    2. 3
    3. 4
    4. 5Correct answer
  5. Question 50/10Based on the line graph shown, how did Google’s stock price perform between March 2015 and August 2015?


    A line graph titled Alphabet/Google (G O O G) closing stock prices has a horizontal axis representing the dates and vertical axis representing the stock prices in U S dollars. The line passes through 13 points, given by the following data with the date followed by the stock price: 2 March 2015, Between 550 and 600; 1 April 2015, Close to 550; 1 May 2015, Close to 550; 1 June 2015, Close to 550; 1 July 2015, Between 500 and 550; 3 August 2015, Between 600 and 650; 1 September 2015, 600; 1 October 2015, More than 600; 2 November 2015, Between 700 and 750; 1 December 2015, More than 750; 4 January 2016, Less than 750; 1 Feb 2016, 750; 1 March 2016, Between 700 and 750. All values are approximate.
    answer choices 
    1. Incorrect:The stock price decreased.
    2. There is not enough information to make a determination.
    3. The stock price increased.Correct answer
    4. There was no change.
  6. Question 610/10Based on the grouped bar chart below, in which year did the largest number of women exist in the U.S. workforce?

    A double bar graph titled Sex of the U.S. workforce has a horizontal axis representing the year and vertical axis representing the number in thousands. One bar represents the men and the other represents the women. The vertical bars representing the number of women in thousands for each given year have heights as follows: 1970, 32,000; 1980, 48,000; 1990, 56,000; 2000, 65,000; and 2010, 72,000. The vertical bars representing the number of men in thousands for each given year have heights as follows: 1970, 52,000; 1980, 60,000; 1990, 68,000; 2000, 76,000; and 2010, 84,000. All values are approximate.
    answer choices 
    1. 2000
    2. 1970
    3. 1980
    4. 2010Correct answer
  7. Question 710/10For which of the following sets of data should a stacked bar chart be used? answer choices 
    1. The total number of planes landing at O’Hare Airport categorized by type Correct answer
    2. The average golfers vs the average age of tennis players
    3. The average age of male high school grads vs. the age of female graduates
    4. The number of white cars vs, the number of white trucks
  8. Question 810/10Given a function described by the table below, what is y when x is 5?
    X Y2 64 85 96 12
    answer choices 
    1. 6
    2. 5
    3. 9Correct answer
    4. 4
  9. Question 910/10The figure below shows total costs for three gym memberships. Which is the most accurate statement?


    A graph has a horizontal axis representing months from 0 to 12 with ticks in increments of 1 and a vertical axis representing the total cost in dollars from 0 to 250 with ticks in increments of 50. There are three lines drawn. The first line, labeled Monthly, represents the equation y equals 25 x, rises from left to right and passes through the origin and the ordered pair 1 comma 25. The second line, labeled Standard, represents the equation y equals 15 x plus 50, rises from left to right and passes through the following points: Ordered pairs 0 comma 50 and 1 comma 65. The third line, labeled Platinum, represents the equation y equals 10 x plus 100, rises from left to right and passes through the following points: Ordered pairs 0 comma 100 and 1 comma 110. There is a vertical line at the third month labeled as Monthly is cheapest and a vertical line at the twelfth month labeled as Platinum is cheapest. All values are approximate.
    answer choices 
    1. Monthly is always the costliest for any duration
    2. Of the 3, Monthly is cheapest out to 10 months
    3. Standard is never the cheapest option regardless of duration
    4. Monthly is cheapest out through 5 months Correct answer
  10. Question 1010/10The figure shows estimated medical costs versus what a user actually pays for three health insurance plans with different deductibles. For which plan does the user pay the most for estimated medical costs of $3,000? 

    A graph has a horizontal axis representing the estimated medical costs in dollars from 0 to 6000 in increments of 500, where every alternate tick is labeled and along with the first tick at 500, and a vertical axis representing what the User pays in dollars from 0 to 5000 in increments of 500, where every alternate tick is labeled. There are three lines drawn. The first line, labeled dollar 2000 ded plan, starts from the point 0 comma 1400, rises rapidly up to the point 2000 comma 3250, and then continues rising slowly toward the right. The second line, labeled dollar 1000 ded plan, starts from the point 0 comma 1900, rises rapidly up to the point 1000 comma 2750, and then continues rising slowly toward the right by passing below the first line. The third line, labeled dollar 500 ded plan, starts from the point 0 comma 2750, rises rapidly up to the point 500 comma 3250, and then continues rising slowly toward the right by passing above the first line. All values are approximate.)
    answer choices 
    1. $2000 ded plan
    2. $500 ded planCorrect answer
    3. $1000 ded plan
    4. $1,000 and $2,000 ded plans pay the same
  11. Question 110/10Based on the vertical bar chart below, in which of the following months were just over 10% of professional European soccer players born?
    A bar graph titled Professional European soccer player birth months has a horizontal axis representing the month and vertical axis representing the relative frequency in percent. The vertical bars representing the month and corresponding percent of relative frequency have heights as follows: January, 17 percent; February, 14 percent; March, 12 percent; April, 10 percent; May, 11 percent; June, 8 percent; July, 6 percent; August, 7 percent; September, 6 percent; October, 4 percent; November, 3 percent; and December, 2 percent. All values are approximate.
    answer choices 
    1. Incorrect:April
    2. January
    3. March
    4. MayCorrect answer
  12. Question 1210/10Cells B1, C1, and D1 contain the values Seat1Row1, Seat2Row1, and Seat3Row1. If cells B1, C1, and D1 were selected, and autofill used to fill E1, F1, and G1, what would be the auto-filled values? answer choices 
    1. Seat 2Row2, Seat3Row3, Seat4Row4
    2. Seat 1Row1, Seat2Row2, Seat3Row2
    3. Seat1Row2, Seat2Row2, Seat3Row2 Correct answer
    4. Seat 2Row2, Seat3Row2, Seat4Row2
  13. Question 1310/10If B2 is changed from 7 to 9, what value will appear in C3 if C3 contains the formula =B2*2?

    A table with 4 rows and 4 columns is shown. The cell in the first row and first column is empty. The next three columns have headers A, B, C and the three rows have headers 1, 2, 3. The row corresponding to header 1 has values 3 and 4, while the last cell is empty. The row corresponding to header 2 has values 12 and 7, while the last cell is empty. The row corresponding to header 3 has values 6, 2, and 14.)
    answer choices 
    1. 27
    2. 9
    3. 8
    4. 18Correct answer
  14. Question 1410/10What is the value of cell B2?
    A table with 4 rows and 4 columns is shown. The cell in the first row and first column is empty. The next three columns have headers A, B, C and the three rows have headers 1, 2, 3. The row corresponding to header 1 has values 9, 12, and 0. The row corresponding to header 2 has values 2, 5, and 4. The row corresponding to header 3 has values 6, 11, and 9.)
    answer choices 
    1. 2
    2. 4
    3. 11
    4. 5Correct answer
  15. Question 1510/10What formula should be entered in A3 to compute A1 times B1?

    A table with 4 rows and 4 columns is shown. The cell in the first row and first column is empty. The next three columns have headers A, B, C and the three rows have headers 1, 2, 3. The row corresponding to header 1 has values 2, 4, and 3. The row corresponding to header 2 has values 10, 5, and 7. The row corresponding to header 3 has values 8, 1, and 5.
    answer choices 
    1. =A1/B1
    2. =A1*B1 Correct answer
    3. =A1*B3
    4. =B1*B3
  16. Question 1610/10The figure below shows costs for a current home mortgage versus a refinanced home mortgage. Refinancing has initial costs but results in a lower monthly payment. Which best describes the lines?


    A graph has a horizontal axis representing months from 0 to 10, with ticks in increments of 1, and a vertical axis representing the total cost in dollars from 0 to 14000, with ticks in increments of 2000. There are two lines drawn. The first line starts from a point near to the right side of the origin and rises rapidly toward the upper right corner of the graph. The second line starts at the point 0 comma 3000, rises slowly toward the right side of the graph, intersects the first line near the point 6 comma 12000, and then passes below the first line. All coordinates are approximate.
    answer choices 
    1. The red line represents refinancing, which cheaper after 6 months. Correct answer
    2. The blue line is for the current mortgage, which is always more expensive.
    3. The blue line is for refinancing ,which is always cheaper.
    4. The red line is for refinancing, which is always cheaper.
  17. Question 1710/10The formula in cell C2 is =A$2. Autofill is used by dragging C2’s autofill box across to D2, E2, and F2. What formulas will appear in D2, E2, and F2, respectively? answer choices 
    1. A$2, A$3, A$4
    2. C$3, C$4, C$5
    3. B$2, B$3, B$4
    4. B$2, C$2, D$2Correct answer
  18. Question 1810/10The total amount of time university students in the United States spend sleeping, eating and drinking, and leisure and sports is about:

    A sliced pie chart labeled as Average weekday time use for full-time college and university students in the U S has 8 sectors with labels and approximate sizes as a percentage as follows: Work and related activities, 10.0 percent; Educational activities, 13.8 percent; Leisure and sports, 17.1 percent; Sleeping, 36.2 percent; Grooming, 3.3 percent; Eating and drinking, 4.2 percent; Traveling, 5.8 percent; Other, 9.6 percent. The sector for sleeping is sliced out of the pie chart.
    answer choices 
    1. 1/3 of their total time
    2. 3/4 of their total time
    3. 3/5 of their total time Correct answer
    4. 1/2 of their total time
  19. Question 1910/10Given this equation for converting temperature from Fahrenheit (f) to Celsius (c) is C = [5(f – 32)]/9, what is the Celsius temp when Fahrenheit is 104 degrees? answer choices 
    1. 32 degrees C
    2. 15 degrees C
    3. 10 degrees C
    4. 40 degrees CCorrect answer
  20. Question 2010/10A downtown parking lot charges $5 per hour for the first 2 hours, then $2.50 per hour after that. Which equation(s) describes the total cost y as a function of the hours x?answer choices 
    1. Y = 5x for 2 hours or less, then Y =10 + 2.5(x-2) for over 2 hours Correct answer
    2. Y = 5x up to 2 hours then Y = 5x + 2.5x for over 2 hours
    3. Y = 5x + 2.5x
    4. Y = 5x + 2.5(x-2)
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