DMA 050 – Section 5.1 Skill Quiz A

Use the following graph to answer questions 1 - 4:

1) What type of graph is being used?

2) How many more magazines were sold on

Thursday than were sold on Monday?

3) What day were 20 magazines sold?

4) Between which two days was the greatest increase

in sales?

Use the following graph to answer questions 5 – 7:

5) What type of graph is being used?

6) What is the projected 2070 projected world

population?

7) What is the increase in population from 1650

until 1930?

Use the following graph to answer questions 8 – 10:

8) What type of graph is being

used?

9) How many cards cost less

than $3.00?

10) How many cards cost

between $0.50 and $1.00?

Use the following table to answer questions 11 – 14:

11) How many grams of fat are

there in a McDonald’s large

French fry?

12) How many more calories are

there in a Wendy’s medium

French fry compared to a small

French fry?

13) Whose large French fry gives you

the most fries?

14) Which fries have 11 mg of

sodium?

Use the following graph to answer questions 15 – 16:

15) What type of graph is being used?

16) How many runners ran a distance

of approximately 38 miles?

Use the following graph to answer questions 17 – 20:

17) What type of graph is being used?

18) Which Little Debbie snack(s) were

favored by most people?

19) If 500 Facebook users were used for

this data, how many Facebook users

favor Zebra Cakes?

20) What percent of the Facebook users

favor Honey Buns?

Use the following graph to answer questions 21 – 23:

21) What type of graph is being used?

22) Which country(ies) show more

people owning computers than

televisions?

23) About how many more people in

the USA own televisions than

computers?

Use the following graph to answer questions 24 and 25:Use this graph for 26 – 31.

24. What is the difference in percentage of Hispanic women waiting for an organ transplant compared to Asian women waiting for an organ transplant?

25.If 5,000 women were on the organ waiting list, how many women were Black?

26. Which location (indoor or outdoor) had the greatest change in temperature?

27. At what time(s) was there no change in the indooor temperature?

28. At approximately what time, was the indoor and outdoor temperature the same?

29. What temperature(s) did both the indoor thermometer and the outdoor thermometer have in

common?

30. What time did the greatest increase in temperature occur?

31. What is the difference in the 1:00pm indoor temperature and the 1:00pm outdoor temperature?

DMA 050 – Section 5.2 Skill Quiz A

1- 6. Use the rectangular coordinate system below to plot the following:

the origin(-3,5)(5,0)(0,-2)(3,3)(4,-1)

7. Label the quadrants, x-axis, and y-axis of the following rectangular coordinate system:

8-12.The following graph represents the speeds a hummingbird reached over a 26 second time period. Use the graph to describe what is occuring between the following points. Be sure to include in your description information about speed and time.

8) Between the origin and point A.

9) Between points B and C.

10) Between points C and D.

11) Between points E and F.

12) How long did it take the hummingbird to come to a

complete stop once reaching a top speed of 10 m/sec?

13 -15. The following graph represents the cost in millions of dollars to build a new road. Answer the following questions using this graph.

13. What is the cost in building a 6 mile road?

14. How much road can be built for $3.5 million

15. What does the point (0, 2) on the graph tell you?

16 – 18. The following graph represents athletic event starting times of athletes of specific ages. Answer the following questions using this graph.

16. List the ages of the athletes that will begin their event at 11 am?

17. What time will an 11-yr old begin their athletic event?

18. What type of graph is being used?

DMA 050 – Section 5.3 Skill Quiz A

1-2. Determine whether the ordered pair satisfies the equation

6/19/13

1)(3, -2); 2y – 5x = 8 + 3x

2) (-3,6); y – 2x = 1

3-4. Complete the solution to the equation:

3) 2x – 7y = 8 (11, )

4)6x + 2y = 3 - y ( , -9)

5 - 8.Construct a table of solutions and then graph the equation:

5)y = -2x + 3

6)y = -x2 + 3

7)y = (x – 2)2

8)

9 – 11. Use the following graph to answer questions 9 – 11.

9) What information does the point (10, 4000) give?

10) What is the maximum height of the rocket and

how long does it take to reach that maximum

height?

11) How long does the rocket stay in the air?

DMA 050 – Section 5.4 Skill Quiz A

1)Sketch the graph of a linear equation:2) Sketch the graph of a nonlinear equation:

3-14.Sketch a graph of the following equations. If applicable, state the x-intercept and y-intercept for each graph.

3) 4) 5)

6)7) 8)

9)10) 11)

12)13)14)

15-16.Answer the following questions using the graph found below which demonstrates the depreciation in value V of a ski boat over t years.

15) Interpret what the y-intercept means in context to

this problem.

16) Interpret what the x-intercept means in context to

this problem.

DMA 050 – Section 5.5 Skill Quiz A

1-6.Sketch a line that meets the given characteristic:

Vertical Zero SlopeHorizontalUndefined Slope Positive Slope Negative Slope

7-10.Find the slope of a line that passes through the given points:

7) (-1, 5) and (2, -3)

8) (-8, 3) and (-2, 3)

9)(-4, 3) and (-4, 5)

10)(3, 5) and (-2, 6)

11-14.Find the slope of :

11)

12)

13)a vertical line

14)a horizontal line

15-18.Determine whether the lines through each pair of points are parallel, perpendicular, or neither:

15)(3, -3) and (-3, 7); (5, -4) and (-5, 2)

16)(-6, -2) and (3, 4); (2, -6) and (-4, 3)

17) (-1, 5) and (2, -1); (1, 3) and (4, -3)

18) (3, 4) and (3, -6); (-2, -3) and (7, -3)

19.Find the slope of the line in the graph to the right:

20-22:Graph the line that passes through the given point and has the given slope:

20) (-2,4), m= 3

21) (2, -2), m=

22) (-2, -3), m=0

23.Find the pitch of the roof in picture to right:

24.The elevation at the top of a ski slope is 2,325ft above sea level. A skier travels 1300 feet down the slope and finishes at an elevation of 1,825ft above sea level. What is the grade of the ski slope? (give answer as a simplified fraction and rounded to the nearest percent)

DMA 050 – Section 5.6 Skill Quiz A

1-6.Find the slope and y-intercept:

1)

2)

3)

4)

5)

6)

7-10.Determine whether the graphs of the following equations are parallel, perpendicular, or neither:

7)

8)

9)

10)

11-12. Write the equation of the line:

11) 12)

13-14.Write the equation of the line described:

13)a horizontal line that passes through the point (-2, 4)

14)a vertical line that passes through the point (5, -8)

15 . The following graph represents the cost in millions of

dollars to build a new road.

Write a linear equation that describes the relationship

between the building cost y and the miles of road x.

16.The following graph demonstrates the depreciation in value V

of a ski boat over t years.

Write a linear equation that would determine the value

of the boat V overt years.

DMA 050 – Section 5.7 Skill Quiz A

1.What is the point-slope form of the equation of a line.

2-6.Use the point-slope form to write an equation of a line in slope-intercept form with the given slope and point:

2)slope -2 and passes through (-3,-5)

3)slope and passes through (6, -3)

4) slope 0 and passes through (7, 12)

5)undefined slope and passes through (-11, 4)

6)slope and passes through (-2, -7)

7 - 10.Graph the line that passes through the given point and has the given slope.

7) slope 3 and passes through (-3,-5)8)slope and passes through (1, -3)

9) slope 0 and passes through (-2,-5)10) undefined slope and passes through (4,-4)

11-14.Find an equation of a line that passes through the two given points:

11)(-3, 5) and (6, 5)

12)(-4, -7) and (-5, -3)

13)(-8, 5) and (-8, 4)

14)(8, 3) and (-5, 7)

15-21.Caleb is a transport specialist for a local hotel. He earns $60 making four trips to the airport with hotel guests. When he makes ten trips to the airport, he earns $180.

15)Write two ordered pairs of the form (number of trips, earnings).

16)Let’s assume that the relationship between the number of trips and earnings is linear.

Write an equation in slope-intercept form that would model this situation.

17)How much would you expect Caleb to earn if he made eighteen trips to the airport?

18)Caleb needs $250 to make his van payment. How many trips would Caleb need

to make to the airport in order to earn enough money to make his van payment?

19)What does the y-intercept mean in context to this problem?

20)What does the x-intercept mean in context to this problem?

21)Describe the rate of change in context to this problem?

DMA 050 – Section 5.8 Skill Quiz A

1-13.For each item state the Domain and Range. Circle the items that represent a function:

1)2)3)

4) 5) 6)7)

x

y

1

1

2

2

1

3

3

4

x

y

1

1

1

2

1

2

1

1

8) 9)10)11)

x

y

1

1

2

1

3

1

4

1

12){(4, 2), (5, -3), (11, -3), (21,0)}13) {(0, 4), (3, 4), (-3, 50}

14-16.Evaluate each function:

14)

15)

16)

17-20.Graph each function:

17)18)

19)20)