1.
Which interval has the most values?
A.
60-70
B.
10-20
C.
90-100
D.
70-80
Hint
2.
Solve the equation 3
x
+
y
= 6 for
x
.
A.
x
= 2 -
y
B.
C.
x
= 5
y
D.
x
= 6 - 3
x
Hint
3.
Write the standard form of an equation of the line that passes through
(-2, 5) and has an undefined slope.
A.
x
= -2
B.
y
= 5
C.
-2
x
+ 5
y
= 0
D.
x - y
= 3
Hint
4.
What is implied when it is said that
x
and
y
have a negative correlation?
A.
When the value of
x
increases, the value of
y
does not necessarily increase or decrease.
B.
When the value of
x
is negative, the value of
y
negative.
C.
When the value of
x
increases, the value of
y
decreases.
D.
When the value of
x
increases, the value of
y
increases.
Hint
5.
Write the standard form of the equation of the line that passes through
(-2, -3) and (2, -5).
A.
x
+ 2
y
= -8
B.
2
x
+
y
= -7
C.
2
x
-
y
= -1
D.
x
- 2
y
= -8
Hint
6.
Factor
A.
B.
C.
prime
D.
Hint
7.
Find
.
A.
B.
C.
D.
Hint
8.
Simplify
.
A.
4
B.
C.
16
D.
Hint
9.
Simplify
.
A.
B.
C.
The expression is in simplest form.
D.
Hint
10.
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of less than 6 family members?
A.
5
B.
90
C.
80
D.
85
Hint
11.
Evaluate 12 - |
x
- 7| if
x
= 15.
A.
9
B.
4
C.
6
D.
7
Hint
12.
Find 5(-20).
A.
100
B.
25
C.
-100
D.
-15
Hint
13.
Solve 5
t
+
u
+
v
= 3 for
t
.
A.
t
= -2 –
u
–
v
B.
C.
t
= 15 –
u
–
v
D.
Hint
14.
Write 7
x
= 4
y
– 6 in standard form.
A.
7
x
– 4
y
= -6
B.
-7
x
+ 4
y
= 6
C.
y
=
x
+
D.
x
=
y
-
Hint
15.
Solve
A.
{
x
| -14 <
x
< 1}
B.
{
x
| -1 <
x
< 14}
C.
{
x
| 1 <
x
< 14}
D.
{
x
| -14 <
x
< -1}
Hint
16.
Draw a box-and-whisker plot of the data.
A.
B.
C.
D.
Hint
17.
What is the factored form of the polynomial 23
x
2
– 69
x
?
A.
23
x
(
x
2
+ 3)
B.
23
x
(
x
– 3)
C.
23
x
(
x
2
– 3)
D.
23
x
(
x
+ 3)
Hint
18.
Solve
x
2
– 8
x
+ 16 = 13 by taking the square root of each side.
A.
-4
B.
4
C.
-2
D.
2
Hint
19.
How many real roots exist if the discriminant of the equation = 0?
A.
cannot be determined from given information
B.
2
C.
1
D.
0
Hint
20.
Which of the following expressions is not equal to
?
A.
B.
C.
D.
Hint