Subskill # 43
1.
102 x 104 =
a.
b.
c.
d.
2.
6.
7.
x – 13
7x + 10
7x – 16
7x
2y2
2xz2
2xz2/y2
y2
-4x + x =
a.
b.
c.
d.
-4x2
–4
–4-x
–3x
32 x 103
a.
b.
c.
d.
306
9
9,000
None of the above
109 106 =
9.
a.
b.
c.
d.
5.
10x + 10y
10x
10x – 10y
None of the above
6x3y4z3
3x2y6z
a.
b.
c.
d.
8.
4.
5(x – y) + 5(x + y) =
a.
b.
c.
d.
108
100
106
102
4 (x –2) – 5 + 3(x – 1) =
a.
b.
c.
d.
3.
Pre-Algebra/Equations and Unknowns II
1,000
1015
100
13
6y4 – 18y2 + 9y2
3y2
a.
b.
c.
d.
6y4 – 18y3 + 3
2y2 – 6y + 3
3y2 – 15y + 6
2y6 – 6y5 + 3y4
Vocational Preparatory Instruction
6(x – 3) – 9(x + 2) =
a.
b.
c.
d.
10.
-15x – 36
–3x –36
3x + 36
–3x – 18
Which of these equations is
equal to y = mx + b?
a.
b.
c.
d.
x = y/m + b
b = mx/y
m = x/y + b
None of the above
Mathematics
Subskill # 43
11.
Which of these equations
represents 9 less than 3 times
a number squared?
a.
b.
c.
d.
12.
Pre-Algebra/Equations and Unknowns II
15.
9 – 3n
(3n)2 – 9
9 – 3n2
3n – 9
a. The number is less than .06
b. The number is greater than
.07
c. The number is less than 0.7
but greater than .06
d. None of the above
Which of these equations
represents 7 more than a
number squared divided by 2?
16.
a.
b.
c.
d.
13.
a.
b.
c.
d.
14.
7 + n /n
7/2 + n2
7 + n2/2
None of the above
2
A mason can set 95 bricks in 2
hours and it takes 1,500 bricks
to cover a wall. Which equation
represents how long it will take
the mason to finish the wall?
a.
b.
c.
d.
Which number goes in the box
to make this statement true?
60 x = .006
a.
b.
c.
d.
17.
1,500 x 95
1,500 95/2
1,500 95
None of the above
If a business borrows $8,000 at
a simple interest rate of 8%,
which equation shows how
much interest will be paid out
over 5 years?
Which of these statements is
true about the number that
goes in the box?
1,000 x  = 699
Which of these equations
completes the number line? 1,
5, 13, 29, ___, 125
a.
b.
c.
d.
18.
2x + 2
2x – 2
2x/3
(2x) + 3
This table shows input numbers
changed by a constant that
shows output numbers. What
output number is represented
by the input number of 120?
I = 8,000/5 x .08
I = 8,000 x .08 x 5
I = 8,000 x 8 x 5
None of the above
a.
b.
c.
d.
Vocational Preparatory Instruction
.1
.01
.001
.0001
10
20
30
50
3
8
13
23
120
18
33
58
7
Mathematics
Subskill # 43
Pre-Algebra/Equations and Unknowns II
Answer Key
1.
C
2.
C
3.
D
4.
A
5.
B
6.
B
7.
C
8.
C
9.
B
10.
D
11.
B
12.
C
13.
B
14.
B
15.
C
16.
D
17.
D
18.
C
Vocational Preparatory Instruction
Mathematics
Subskill # 43
Pre-Algebra/Equations and Unknowns II
Vocational Preparatory Instruction
Mathematics