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practice questions for grade 7 - 10

Subject

Mathematics

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Exam Practice

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Math 306 Review for Jamie Lee Forbes
++++++
Solve:
X
4
* x
3
* x
5
X
6
* x
11
* x
5
X
54
y
44
/ x
34
y
34
X
61
y
81
/ x
3
y
4
X
63
y
9
z
8
/ x
84
y
93
z
20
X
7
/x
8
X
3
/x
15
(X
9
y
8
)
8
(x
9
y
11
z
9
/ x
7
y
7
z
7
)
3
(x
7
y
4
z
13
/ x
2
y
4
z
12
)
-2
Perform these operations with polynomials.
5ab + 4ab – 2ab + 11ab
8ab + 5ab
2
– 3ab + 2ab
2
6ab
3
+ 5a
3
b + 11ab
3
– 2ab + 11ab
5a – (2a + 5b) + 14b – (3b – 4a)
6a – (3a – 4a) + 21b – (4b – 3a)
5a(4a + 5b – 3c)
5a(3ab + 4bc)

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Math 406 Review
Find the domain and the range of each function. Find its zeroes, and its positive and negative intervals and its
increasing and decreasing intervals.
1)
2)
3)
4)
Find the independent and the dependent variables. Find the function rule for each situation.
Earl Fischer pays $1000 each month to rent the grounds for his circus.
Earl Fischer hired Kim Yolande to work as a clerk and book – keeper for Circustown, at a pay rate of $15 per hour.
However, he made her take a book – keeping course at East Hill High School, and that cost $400.
Kim Yolande is now working as a clerk at Circustown, for $15 per hour, and she got a bonus out of Earl Fischer, to the
tune of $800, to cover her course and her living expenses during the time she was taking the course.

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Math 406
1) June Harrison took a roster count of her scores on the old Pac – Man video game in the arcade at the corner
of Franklin Blvd. and Queens Ave. Her scores were as follows.
20000, 20000, 30000, 30000, 40000, 45000, 45000, 49800, 50000, 50000, 60100, 60100
1a) What is the mean of these scores? What is the median of these scores? Make a box – and – whisker plot with these
numbers. The 50000 is near which quartile?
1b) Put these scores into quintiles too. What is the quintile of the 50000?
1c) Find the deviation of each score. Find the mean deviation and also find the standard deviation.
1D) If her boyfriend, Eddie Willis had these scores: 14000, 14000, 15000, 19800, 20000, 24000, 25000, 28000, 29000,
41000, what is his standard deviation?
1E) In which set of scores was the standard deviation lower? Whose scores have more variance?
2) simplify
2a) X
61
y
81
/ x
3
y
4
2b) X
63
y
9
z
8
/ x
84
y
93
z
20
3a) Find the independent variable here, and write the function rule for each function, and draw the graph.
3a i)Earl Fischer pays $1000 each month to rent the grounds for his circus.
3b) Earl Fischer hired Kim Yolande to work as a clerk and book – keeper for Circustown, at a pay rate of $15 per hour.
However, he made her take a book – keeping course at East Hill High School, and that cost $400.
3c) Kim Yolande is now working as a clerk at Circustown, for $15 per hour, and she got a bonus out of Earl Fischer, to
the tune of $800, to cover her course and her living expenses during the time she was taking the course.
4)
4a) Right angle triangle DEF has angle D, which is a right angle, it has angle E, which is 35 degrees, and it has an
adjacent side which is 12 km. What are the other sides in this triangle?
4b) Triangle GHJ has no right angles, but it has angle G which is 38 degrees, side g, which is 28 cm, and side h,
which is 32 cm. What are the other sides and angles in this triangle?
5) Find the correlation between the variables in each example, using a scatter plot diagram.
City Founding Population
New York City 1687 15 000 000
Montreal 1642 1 800 000
Toronto 1784 (as York) 2 540 000
Boston 1630 580 000
Quebec City 1608 560 000

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