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Math 10F LG 20 Practice Final #8



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What is the volume of a cube with edges of length 7 m?
a.
1029 m3
b.
343 m3
c.
49 m3
d.
294 m3
 

 2. 

Determine the cube root of 216s3.
a.
36s2
b.
216s
c.
6s
d.
36s
 

 3. 

What is the value of mc003-1.jpg?
a.
mc003-2.jpg
b.
mc003-3.jpg
c.
mc003-4.jpg
d.
mc003-5.jpg
 

 4. 

Simplify mc004-1.jpg.
a.
mc004-2.jpg
b.
729
c.
mc004-3.jpg
d.
mc004-4.jpg
 

 5. 

Determine the value of y in the equation y = mc005-1.jpg when x = –2. Leave your answer in simplest radical form if necessary.
a.
mc005-2.jpg
b.
4
c.
mc005-3.jpg
d.
mc005-4.jpg
 

 6. 

Which of the following is equivalent to mc006-1.jpg?
a.
mc006-2.jpg
b.
mc006-3.jpg
c.
mc006-4.jpg
d.
mc006-5.jpg
 

 7. 

What is the factored form of the expression –14x + 14?
a.
–2(7x – 7)
b.
2(7x + 7)
c.
2(7x – 7)
d.
–2(7x + 7)
 

 8. 

Which pair of integers has a product of –60 and a sum of 4?
a.
–6 and 10
b.
–6 and –10
c.
6 and 10
d.
6 and –10
 

 9. 

The area, in metres, of a rectangle is mc009-1.jpg. When the expression is factored fully, the factors are the dimensions of the rectangle. Determine the actual dimensions, in metres, of the rectangle when x = 36.
a.
17 m by 58 m
b.
41 m by 17 m
c.
18 m by 41 m
d.
24 m by 59 m
 

 10. 

What is the factored form of mc010-1.jpg?
a.
mc010-2.jpg
b.
mc010-3.jpg
c.
mc010-4.jpg
d.
mc010-5.jpg
 

 11. 

Which division statement is represented by the algebra tiles?

mc011-1.jpg
a.
mc011-2.jpg
b.
mc011-3.jpg
c.
mc011-4.jpg
d.
mc011-5.jpg
 

 12. 

Determine the multiplication statement that is represented by the algebra tiles below.

mc012-1.jpg
a.
mc012-2.jpg
b.
mc012-3.jpg
c.
mc012-4.jpg
d.
mc012-5.jpg
 

 13. 

Which of the following tables of values represent(s) a linear relation?

A
x
–1
1
5
7
y
–9
–5
3
7

B
x
–1
1
5
7
y
1
1
25
49

C
x
–1
1
5
7
y
–1
1
3
5

D
x
–1
1
5
7
y
–3
–2
0
1


a.
A and D
b.
C
c.
B
d.
None of the above.
 

 14. 

A swimming pool is being drained. The table shows the volume of water, in kilolitres, remaining after an elapsed time, in minutes. Which graph represents this data?

Time (min)
0
20
40
80
Volume of Water (kL)
70
60
50
30
a.

mc014-1.jpg
b.

mc014-2.jpg
c.

mc014-3.jpg
d.

mc014-4.jpg
 

 15. 

Use set notation to state the domain of this function.

mc015-1.jpg
a.
mc015-2.jpg
b.
mc015-3.jpg
c.
mc015-4.jpg
d.
mc015-5.jpg
 

 16. 

Evaluate mc016-1.jpg for the function mc016-2.jpg.
a.
45
b.
39
c.
–33
d.
–27
 

 17. 

The graph represents the function f(x). What is the value of mc017-1.jpg?

mc017-2.jpg
a.
3
b.
6
c.
–6
d.
–3
 

 18. 

Compare the values in the two tables to determine which statement is true.

Line A
x
y
5
2
7
–2
9
–6
11
–10
13
–14
15
–18

Line B
x
y
–1
–6
–3
–3
–5
0
–7
3
–9
6
–11
9

a.
Line A and Line B both have negative slopes
b.
Line A has a negative slope and Line B has a positive slope
c.
Line A and Line B both have positive slopes
d.
Line A has a positive slope and Line B has a negative slope
 

 19. 

The slope of the line mc019-1.jpg is
a.
3
b.
4
c.
–3
d.
–4
 

 20. 

Points Cmc020-1.jpg and Dmc020-2.jpgare on a line. What is the rise from point D to C?
a.
16
b.
10
c.
–10
d.
–16
 

 21. 

Using the table of values, determine the y-intercept of the line.

x
y
0
–4
1
2
2
8
3
14
4
20

a.
–4
b.
4
c.
–6
d.
6
 

 22. 

Identify the equation of the line parallel to mc022-1.jpg and with the same x-intercept as mc022-2.jpg.
a.
mc022-3.jpg
b.
mc022-4.jpg
c.
mc022-5.jpg
d.
mc022-6.jpg
 

 23. 

Points Gmc023-1.jpg and Hmc023-2.jpg are on a line. Which equation represents a line that is parallel to this line?
a.
mc023-3.jpg
b.
mc023-4.jpg mc023-5.jpgx + 3
c.
mc023-6.jpg mc023-7.jpgx – 9
d.
mc023-8.jpg
 

 24. 

Give the equation of a line that goes through point A and is parallel to the line shown below.

mc024-1.jpg

a.
mc024-7.jpg
c.
mc024-9.jpg
b.
mc024-8.jpg
d.
mc024-10.jpg
 

 25. 

Determine the ordered pair that is a solution to the linear system mc025-1.jpg and mc025-2.jpg.
a.
mc025-3.jpg
b.
mc025-4.jpg
c.
mc025-5.jpg
d.
mc025-6.jpg
 
 
Answer the following questions using the information from the scenario below.

Globo-Gym charges a flat fee of $20 per month plus $4.00 per visit. Average Joe’s charges a flat fee of $30 per month plus $2.00 per visit. Let x represent the number of visits per month and let y represent the total cost per month, in dollars.
 

 26. 

Which statement best describes what the solution to this linear system represents?
a.
When 40 gym visits are made at either fitness centre, the cost is $5.
b.
It costs more to be a member at Globo-Gym.
c.
When 5 gym visits are made at either fitness centre, the cost is $40.
d.
It costs more to be a member at Average Joe’s.
 

 27. 

Mason has a large collection of baseball cards. He estimates that he has spent $98.00 on protective card holders and an average of $10.00 on each card. If he sells his cards at $18 each, how many cards does he need to sell to make a profit of $190?
a.
10
b.
11
c.
36
d.
12
 

 28. 

A chemistry teacher needs to make 10 L of 37.5% nitric acid solution. The acid solutions available are 30% nitric acid and 55% nitric acid, by volume. How many litres of each solution must be mixed to make the 37.5% solution?
a.
6 L of the 30% solution and 4 L of the 55% solution
b.
3 L of the 30% solution and 7 L of the 55% solution
c.
7 L of the 30% solution and 3 L of the 55% solution
d.
8 L of the 30% solution and 2 L of the 55% solution
 

 29. 

Liam paints pictures at the town dock and sells them to tourists. He spends $81 for paint supplies plus $3 for each canvas. If he charges $12 per painting, how many paintings must he sell to make a profit?
a.
15
b.
7
c.
9
d.
27
 

 30. 

In the triangle, WG = 16 cm and tan G = 0.375. What is the length of the hypotenuse, to the nearest tenth of a centimetre?
mc030-1.jpg
a.
17.1 cm
b.
6.0 cm
c.
22.0 cm
d.
42.7 cm
 
 
Use the diagram to answer the following question(s).

nar002-1.jpg
 

 31. 

Determine the length of y, to the nearest tenth of a metre.
a.
9.4 m
b.
6.6 m
c.
5.5 m
d.
8.6 m
 

 32. 

A wheelchair ramp is being built for the entrance to a school. If the ramp makes an angle of 4° with the ground and has a horizontal length of 7 m, determine the height of the ramp, to the nearest tenth of a metre.
a.
0.5 m
b.
7.0 m
c.
1.0 m
d.
4.9 m
 

 33. 

A ladder leans against a vertical wall and makes an angle of 60.6° with the ground. The foot of the ladder is 2.7 m from the base of the wall. Determine the vertical distance from the ground to the top of the ladder, to the nearest tenth of a metre.
a.
4.2 m
b.
4.8 m
c.
2.4 m
d.
5.5 m
 

 34. 

In mc034-1.jpg, AC = 6 cm and BC = 15 cm. Determine the cosine ratio of mc034-2.jpgA, rounded to the nearest thousandth.

mc034-3.jpg
a.
0.400
b.
2.500
c.
0.928
d.
0.371
 

 35. 

Determine the measure of mc035-1.jpgJ, to the nearest degree.
mc035-2.jpg
a.
59°
b.
37°
c.
31°
d.
53°
 

 36. 

A data entry clerk earns $20.25/h and earns $126.56. How many hours did the data entry clerk work?
a.
6.25 hours
b.
5.25 hours
c.
26.50 hours
d.
6.00 hours
 

 37. 

Fatima is a sales consultant for a mail-order jewelry company and earns 10% of her sales. If she sells more than $2000 in a week, she earns a $180 bonus. Last week, Fatima sold the following amounts each day.
Monday$553.00
Tuesday$507.00
Wednesday$622.00
Thursday$785.00
Friday$293.00

What was Fatima’s gross pay for last week?
a.
$2760.00
b.
$456.00
c.
$180.00
d.
$276.00
 

 38. 

Cheng does odd jobs for his family and the neighbours. He keeps track of the jobs he does on his block for the week and records them in the chart below:
JobHourly Pay
Babysitting$11.50
Dog Walking$6.00
Car Wash$7.50
Gardening$12.00
Mowing Lawns$10.50

If Cheng babysits for 4 h, walks dogs for 2 h, washes cars for 1 h, gardens for 4 h and mows lawns for 5 h what is his income for the week.
a.
$166.00
b.
$140.50
c.
$161.00
d.
$142.00
 

 39. 

The Canada Pension Plan (CPP) rate is currently 4.95% of a person’s gross pay up to a maximum of $2593.80. If the government were to change the rate to 3.13%, what would be the difference in CPP payments for an annual salary of $40 000?
a.
$728.00 less than the original rate
b.
$691.60 more than the original rate
c.
$728.00 more than the original rate
d.
$764.40 less than the original rate
 

 40. 

Jin receives a pay stub from his job as a writer/editor. He is paid bi-weekly.

Earnings Statement
Employee Name: Garcia, Jin
Occupation: Athletic Trainer
Period End Date: June 18
Cheque Number: 1394

Earnings    Deductions 
DescriptionHoursRate
Amount
 Description
Amount
Regular Hours8018.50
1480.00
 Income Tax
1664.76
Overtime2027.75
555.00
 EI
33.01
Overtime4437.00
1628.00
 CPP
99.76
Vacation Pay  
146.52
   
Gross Pay  
3809.52
 Total Deductions
1797.53
     Net Pay
2011.99

What is Jin’s gross pay for the year?
a.
$198 095.04
b.
$45 714.24
c.
$99 047.52
d.
$91 428.48
 

Short Answer
 

 1. 

Quon is hired as a data entry clerk and earns $25.00/h with a 7.75 h work day. The position is unionized with 1.00% deducted for union dues. In addition,  income tax of $29.06, CPP contributions of $9.59, and EI of $3.22. What is Quon’s net pay at the end of the working day?
 

 2. 

Simplify sa002-1.jpg.
 

 3. 

What product does the following diagram represent?

sa003-1.jpg
 

 4. 

Identify a pair of integers that have a product of 8 and a sum of –6.
 

 5. 

a) What is the equation of the vertical line that passes through the point sa005-1.jpg?
b) What is the equation of the horizontal line that passes through the point sa005-2.jpg?
 

Problem
 

 1. 

Ivanna completed job interviews with two companies. Company A offered a yearly salary of $91500 with a $5000 bonus for the first year. Company B offered a salary of $92 500. Using the information below determine which position Ivanna should accept.

2018 British Columbia: Provincial Income Tax Amounts
IncomeTax Rate
$0 – $38 8985.06%
$38 898.01 – $77 7977.7%
$77 797.01 – $89 32010.5%
$89 320.01 – $108 46012.29%
over $108 46014.7%

2018 Canada: Federal Income Tax Amounts
IncomeTax Rate
$0 – $45 91615%
$45 916.01 – $91 83120.5%
$91 831.01 – $142 35326%
$142 353.01 – $202 80029%
over $202 80033%

Employment Insurance (EI) Premium Rate: 1.66% to a maximum of $857.22

Canada Pension Plan (CPP) Contribution Rate: 4.95% to a maximum of $2593.80
 

 2. 

Noah works at a parking lot, where he can park his own car at a discounted rate. Whether he is working or not, he pays a flat fee of $3.00 plus $0.25/h that his car is parked.
a) Write an equation to represent Noah’s total parking cost, C, in dollars, for t hours.
b) How much will it cost Noah to park his car for a full 16 h?
c) If Noah has $8.00, for how many hours can he park his car in the parking lot?
 

 3. 

Jackson and Isabella both launch model rockets at the same time. Jackson launches his rocket from a building 25 m above the ground. His rocket rises at a rate of 15 m/s. Isabella launches her rocket from ground level. Her rocket rises at a rate of 20 m/s.
a) Write an equation in the form h = mt + b for each rocket’s movement, where h is the height, in metres, and t is the time, in seconds.
b) Graph the equations for both rockets on the same grid and determine the time when they are at the same height.
pr003-1.jpg
c) If Jackson uses a different rocket that rises at a rate of 20 m/s, when are the two rockets at the same height?
 

 4. 

Sophia and Benjamin recently graduated from Clown College and are looking to be hired to perform at parties. Sophia charges $30 for supplies plus $9/h. Benjamin charges $20 for decorations plus $11/h. Let C represent the total cost and n represent the number of hours they work at the party.
a) Write an equation to represent the total cost to hire Sophia.
b) Write an equation to represent the total cost to hire Benjamin.
c) Graph the two lines in parts a) and b) on the same grid.

pr004-1.jpg
d) Explain what the point of intersection represents.
e) Use the graph to help you decide whether you would hire Sophia or Benjamin to work at your party.
 



 
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