1.
Name the property illustrated by (3
c
· 6)2 = 3
c
(6 · 2).
A.
commutative property of multiplication
B.
associative property of multiplication
C.
associative property of addition
D.
commutative property of addition
Hint
2.
Write an inequality for the following problem. One fourth of a number increased by 17 is at least 63.
A.
B.
C.
D.
Hint
3.
Graph the solution set of |3
y
+ 9| > 12.
A.
B.
C.
D.
Hint
4.
Determine which equation represents a function.
A.
x
= 4
B.
x
=
y
2
- 1
C.
y
= -2
x
+ 1
D.
Hint
5.
The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same.
A.
830 mph
B.
600 mph
C.
700 mph
D.
980 mph
Hint
6.
Solve the system of equations by graphing.
A.
no solution
B.
(-1, 7)
C.
(0, 3)
D.
infinitely many solutions
Hint
7.
Solve the system of equations.
A.
B.
C.
D.
Hint
8.
Choose the graph that shows the solution to the system of inequalities
and
A.
B.
C.
D.
Hint
9.
Find
A.
B.
C.
D.
Hint
10.
What is the first step in solving the matrix equation
A.
Find the inverse of
B.
Divide each side of the matrix equation by
C.
Multiply each side of the matrix equation by the identity matrix.
D.
Multiply each side of the matrix equation by
Hint
11.
Express 45,280,000 in scientific notation.
A.
4.528 × 10
7
B.
45.28 × 10
6
C.
4.528 × 10
6
D.
4.528 × 10
-7
Hint
12.
Solve 3
y
2
+ 48 = 0.
A.
4
B.
C.
-4
D.
Hint
13.
How many possible negative real zeros are there for the polynomial
g
(
x
) = 2
x
4
+
x
3
- 4
x
+ 1?
A.
2
B.
3
C.
5
D.
1
Hint
14.
One zero of
p
(
x
) =
x
3
- 3
x
2
- 6
x
+ 8 is 1. Which of the following is another zero?
A.
1 -
i
B.
1 +
i
C.
4
D.
-1
Hint
15.
Which is not a possible rational zero of the function
g
(
x
) = 3
x
3
+ 2
x
2
- 7
x
- 6?
A.
B.
C.
-3
D.
Hint
16.
What is true about a system of equations in three variables that has 1 solution?
A.
planes intersect in the same plane
B.
planes intersect in one line
C.
planes intersect in one point
D.
planes have no points in common
Hint
17.
If
and
find 4
A
– 5
B
.
A.
B.
C.
D.
Hint
18.
Evaluate
A.
111
B.
37
C.
–51
D.
–654
Hint
19.
Solve
A.
no real solution
B.
10
C.
38
D.
76
Hint
20.
In the equation
do you have to square both sides?
A.
no
B.
yes, in order to isolate
x
C.
cannot be determined
D.
yes, in order to simplify.
Hint