1.
Which symbol makes the following statement true?
3.25 × 10
3
______ 325
A.
<
B.
>
C.
D.
=
Hint
2.
Determine the slope of the line graphed below.
A.
B.
C.
0
D.
Hint
3.
Evaluate
. Express the result in scientific notation.
A.
80 × 10
-8
B.
0.8 × 10
-8
C.
8.0 × 10
-9
D.
8.0 × 10
-7
Hint
4.
Determine the slope of the line containing the points
P
(-7, -8) and
Q
(3, 0).
A.
B.
C.
-2
D.
2
Hint
5.
Determine whether the number
is rational or irrational.
A.
rational
B.
both
C.
irrational
D.
neither
Hint
6.
The greatest power in a quadratic function is ______.
A.
3
B.
4
C.
1
D.
2
Hint
7.
Find the equation that has direct variation.
A.
y
= 5
x
+ 1.3
B.
y
= 0.8
x
+ 9
C.
y
= 4
x
D.
y
= –3
x
– 1
Hint
8.
Which characteristic describes a graph that is linear and has direct variation.
A.
Variables
x
and
y
are not proportional.
B.
The graph does not pass through (0, 0).
C.
The equation has the form
y
=
mx
+
b
.
D.
The equation has the form
y
=
mx
.
Hint
9.
Which line is parallel to the line listed below?
A.
B.
y
= 2
x
- 5
C.
D.
Hint
10.
Write the equation in slope-intercept form.
–6
x
= –10 – 2
y
A.
y
= 3
x
– 5
B.
y
+ 8 = 3(
x
+ 1)
C.
y
= 3
x
+ 8
D.
–6
x
+ 2
y
+ 10 = 0
Hint
11.
Find the graph of
y
=
x
2
.
A.
B.
C.
D.
Hint
12.
Find the graph of
y
=
x
2
+ 1.
A.
B.
C.
D.
Hint
13.
Which table shows a quadratic relationship?
A.
B.
C.
D.
Hint
14.
What is the lowest point on the graph of
y
=
x
2
+ 2?
A.
(0, –2)
B.
(0, 2)
C.
(0, 0)
D.
(2, 0)
Hint
15.
What is the reciprocal of
?
A.
B.
C.
D.
Hint
16.
Consider the equation
. What happens to the value of
y
when
x
is divided by 4?
A.
y
is multiplied by 4
B.
y
is added to 4
C.
y
is subtracted from 4
D.
y
is divided by 4
Hint
17.
What is true of the second differences for the equation
x
2
– 6
x
+ 12?
A.
they increase by 12
B.
they increase by 1
C.
they are constant
D.
they decrease by 1
Hint
18.
Which equation represents exponential decay?
A.
y
= 63 × 4.4
x
B.
y
=
· 63
x
C.
y
= 63 × 4
x
D.
y
= 63 × 0.4
x
Hint
19.
Find the table that does not represent an exponential equation.
A.
B.
C.
D.
Hint
20.
Evaluate.
A.
3
B.
2
C.
–2
D.
–3
Hint