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WorksheetsModule 3 Self-Assessment
Total questions: 20
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
Solve the equation
a)
-2
b)
-1
c)
4
d)
2
2.
−5(4x − 2) = −2(3 +6x)
Solve the equation
a)
x = 2
b)
x = 8
c)
x = −2
d)
x = −8
3.
solve for x
a)
5
b)
-25
c)
15
d)
1/5
4.
2x3-10=442
a)
6
b)
36
c)
-6,6
d)
64
5.
a)
2
b)
4
c)
6
d)
8
6.
Solve the following equation:
32x=81
Just write the value of the variable for your answer.
(a)
7.
Solve the equation:
(21)(3x+5)=128
a)
x=−4
b)
x=8
c)
x=3
d)
x=−21
8.
a=bc2 , solve for b
a)
b =ca
b)
b = ca
c)
b=a2c
d)
b =c2a
9.
S=6n-12
solve for n
solve for n
a)
n=(S/6)+2
b)
n=(S/6)+1/2
c)
n=(S/2)+6
d)
n=6S+12
10.
Solve the inequality:
-2x + 2 > 3x - 8
a)
x > -9
b)
x > 2
c)
x < -9
d)
x < 2
11.
Solve the compound inequality:
−6 < 2t − 5 < 3
a)
−0.5 < t < 1
b)
0.5 < t < −1
c)
−11/2 < t < 2
d)
11/2 < t < −2
12.
Write an inequality for Graph 2.
a)
-2 ≤ x < 5
b)
x ≤ -2 AND x > 5
c)
x ≥ -2 OR x < 5
d)
-2 ≤ x ≤ 5
13.
What is the order of the matrix?
a)
a
b)
b
c)
c
d)
d
14.
What do w, x, y and z equal in this matrix subtraction?
a)
w = 13, x = 4, y = 7, z = 23
b)
w = 13, x = -4, y = 11, z = 23
c)
w = 13, x = 4, y = 11, z = 23
d)
w = 13, x = 4, y = 11, z = 17
15.
In Matrix R (pictured) what element is a23?
a)
8
b)
9.01
c)
6
d)
1
16.
What do m, n, p and q equal in this scalar matrix multiplication?
a)
m=8, n=9, p=-4, q=4
b)
m=15, n = -45, p=20, q=-5
c)
m=20, n=-5, p=15, q=-45
d)
m=-5, n=20, p=-45, q=15
17.
Solve the system of equations:
7x+4y =12 x + 2y = -4
a)
(-4,4)
b)
(4,4)
c)
(4,-4)
d)
(-4,-4)
18.
Solve the system of equations:
x + 2y = -4 x - 2y = 8
a)
(2,5)
b)
(2,-3)
c)
(2,-2)
d)
(-3,2)
19.
Solve the system of equations by graphing.
a)
(4, 7)
b)
(3, 5)
c)
(6, 7)
d)
(5, 3)
20.
Lisa and Tammy are selling items at the craft show. Which might be a reasonable solution from the graph showing the number of items sold when they both have earned the same amount?
a)
(1, 12)
b)
(3, 19)
c)
(5, 25)
d)
(0, 10)
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