1.
Evaluate the expression 2|
x
| - 3|
y
| if
x
= -8 and
y
= -5.
A.
-31
B.
-1
C.
31
D.
1
Hint
2.
Choose the graph of
N
(3, 0).
A.
B.
C.
D.
Hint
3.
What is the sum of -32 and -16?
A.
-48
B.
2
C.
-16
D.
-2
Hint
4.
Find the solution for 12
r
= -132.
A.
-12
B.
-144
C.
-120
D.
-11
Hint
5.
Write
as a repeating decimal.
A.
B.
C.
D.
Hint
6.
Solve
.
A.
B.
C.
D.
Hint
7.
What is the value of
r
in the equation -21.7 = -6.2
r
?
A.
-15.5
B.
0.29
C.
-27.9
D.
3.5
Hint
8.
Write 0.478 in scientific notation.
A.
4.78 × 10
2
B.
478 × 10
1
C.
4.78 × 10
-1
D.
4.78 × 10
-2
Hint
9.
Find the value of
x
in the equation
.
A.
14
B.
-10
C.
-30
D.
6
Hint
10.
North High School has 2764 students enrolled. Use the table to determine how many students study for 2 or more hours.
A.
69
B.
2419
C.
1534
D.
594
Hint
11.
Which number in the set {0.22,
, 20%, 1 to 4} is the greatest?
A.
20%
B.
1 to 4
C.
D.
0.22
Hint
12.
If the price of a car is $18,000 one month and $19,500 four months later, what is the percent of change?
A.
7.7% decrease
B.
8.3% decrease
C.
7.7% increase
D.
8.3% increase
Hint
13.
What conclusion can you make from the scatter plot?
A.
higher mileage results in greater power
B.
higher power results in low mileage
C.
there is no correlation between power and mileage
D.
lower mileage gives the greatest power
Hint
14.
Evaluate the following expression for
x
= 10 and
A.
16
B.
160
C.
2
D.
20
Hint
15.
In which quadrant is the point (7, -5)?
A.
Quadrant II
B.
Quadrant I
C.
Quadrant III
D.
Quadrant IV
Hint
16.
Write 3 ·
x
·
x
·
x
·
x
·
y
·
y
·
y
·
y
using exponents.
A.
3>
x
4
y
3
B.
3
x
4
y
4
C.
3
4
x
4
y
4
D.
3
xy
8
Hint
17.
Express 0.00186 in scientific notation.
A.
1.86 × 10
-4
B.
1.86 × 10
3
C.
1.86 × 10
-5
D.
1.86 × 10
-3
Hint
18.
Find
Write the product in simplest form.
A.
B.
C.
D.
Hint
19.
Find
Write the quotient in simplest form.
A.
B.
ab
C.
D.
Hint
20.
16 is what percent of 192?
A.
1200%
B.
12%
C.
D.
Hint