1.
Determine the slope of the line graphed below.
A.
0
B.
C.
D.
Hint
2.
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4
x
- 2
y
= 6?
A.
B.
y
= 2
x
C.
y
= 4
x
+ 3
D.
y
= -2
x
+ 1
Hint
3.
Simplify
Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
4.
Evaluate
. Express the result in scientific notation.
A.
80 × 10
-8
B.
8.0 × 10
-7
C.
8.0 × 10
-9
D.
0.8 × 10
-8
Hint
5.
If a rocket is fired from the ground with an initial velocity of 75 meters per second, then the height of the rocket after
t
seconds is
h
= 75
t
- 4.9
t
2
. Find the height of the rocket after 3 seconds.
A.
130.4 meters
B.
221.6 meters
C.
180.9 meters
D.
252.5 meters
Hint
6.
What is the equation of the graph shown?
A.
f
(
x
) = 2
x
2
- 2
x
+ 1
B.
f
(
x
) = -2
x
2
+ 2
x
+ 1
C.
f
(
x
) = 2
x
2
+ 2
x
+ 1
D.
f
(
x
) = -2
x
2
+ 2
x
- 1
Hint
7.
Find the equation that has direct variation.
A.
y
= –3
x
– 1
B.
y
= 5
x
+ 1.3
C.
y
= 4
x
D.
y
= 0.8
x
+ 9
Hint
8.
Find the graph that does not have direct variation.
A.
B.
C.
D.
Hint
9.
Find the equation that contains a decreasing linear relationship.
A.
y
= 5 – 6
x
B.
y
= 4
x
– 3
C.
y
= 10 +
x
D.
y
= 12+ 2
x
Hint
10.
Find the table that represents a graph with direct variation.
A.
B.
C.
D.
Hint
11.
Which equation is in the same family as
y
=
x
2
?
A.
y
=
x
3
– 3
B.
y
=
x
2
– 3
C.
y
= 2
x
– 3
D.
y
= 2
x
2
– 3
Hint
12.
Find the equation of the graph below.
A.
y
= (
x
+ 3)
2
B.
y
=
x
2
+ 3
C.
y
= (
x
- 3)
2
D.
y
=
x
2
– 3
Hint
13.
Find the cubic equation.
A.
y
=
x
2
+ 5
B.
y
=
x
(
x
3
+ 1)
C.
y
= 3
x
D.
y
= 5
x
3
+ 2
x
Hint
14.
What is the reciprocal of
?
A.
B.
C.
D.
Hint
15.
Consider the equation
. What happens to the value of
y
when
x
is divided by 4?
A.
y
is divided by 4
B.
y
is subtracted from 4
C.
y
is multiplied by 4
D.
y
is added to 4
Hint
16.
What is a conjecture?
A.
a ''shot in the dark'' guess that has been proved
B.
an educated guess that hasn't been proved yet
C.
an educated guess that has been proved
D.
a ''shot in the dark'' guess that hasn't been proved yet
Hint
17.
What is true of the second differences for the equation
x
2
– 6
x
+ 12?
A.
they are constant
B.
they decrease by 1
C.
they increase by 1
D.
they increase by 12
Hint
18.
Use the following table to find the amount of medicine remaining in the bloodstream after
n
hours.
A.
0.85
n
B.
0.85 × 500
n
C.
425 × 0.85
n
D.
500 × 0.85
n
Hint
19.
Which curve represents exponential decay?
A.
curve
c
B.
curve
b
C.
curve
a
D.
curve
d
Hint
20.
Find the table that does not represent an exponential equation.
A.
B.
C.
D.
Hint