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WorksheetsReview Quiz 9
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
Simplify
2xy²(3x² - 2y) - x²y(2x - 3xy)
2xy²(3x² - 2y) - x²y(2x - 3xy)
a)
3x³y² - 6xy³
b)
9x³y² - 6xy³
c)
3x³y² - 4xy³ - 2xy³
d)
9x³y² - 4xy³ - 2x³y
2.
A bag contains 5 blue, 3 red, and 8 green marbles. You choose a marble, do not replaceit, and then choose another. What is the probability that both marbles are red?
a)
1/128
b)
1/40
c)
9/256
d)
77/240
3.
Write the expression using only positive exponents.
a)
(x²) / (2y²)
b)
(y²) / (2x²)
c)
(x⁶) / (2y⁹)
d)
(y⁹) / (2x⁶)
4.
Which function does the table represent?
x y
-2 4
-1 5
0 6
1 7
2 8
x y
-2 4
-1 5
0 6
1 7
2 8
a)
y = -2x
b)
y = -5x
c)
y = x + 6
d)
y = -x + 2
5.
In a sample of 50 randomly selected students, 32 students chose comedy as their favorite type of movie. Based on this data, what is the best estimate of how many of the 2890 students in the school would NOT choose comedy as their favorite type of movie?
a)
925 students
b)
1040 students
c)
1850 students
d)
1965 students
6.
What is the solution of the equation?
|x - 4| - 2 = -1
|x - 4| - 2 = -1
a)
5, -7
b)
5, -5
c)
5, 3
d)
5, 7
7.
How does the graph of y = 3x - 1 differ from that of y = 3x?
a)
The graph is translated 1 unit left.
b)
The graph is translated 1 unit down.
c)
The graph is reflected across the x-axis.
d)
The graph is reflected across the y-axis.
8.
You deposti $175 in an account that pays 4% interest compounded quarterly. How much will you have in the account after 2 years?
a)
$182.11
b)
$189.50
c)
$204.73
d)
$239.50
9.
The graph of which inequality is shown?
a)
y > 5x - 1
b)
y ≥ 5x - 1
c)
y < 5x - 1
d)
y ≤ 5x - 1
10.
The length of a rectangle is 3 more than twice its width. The perimeter of the rectangle is 42 centimeters. What is the length of the rectangle?
a)
6 cm
b)
13 cm
c)
15 cm
d)
29 cm
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