1.
Determine the degree of the polynomial 2
x
3
y
2
z
+ 3
xy
2
z
3
- 4
x
3
y
3
z
.
A.
8
B.
6
C.
9
D.
7
Hint
2.
Find (-5
x
+ 6) - (-2
x
- 7).
A.
-3
x
+ 1
B.
-7
x
- 1
C.
-7
x
- 13
D.
-3
x
+ 13
Hint
3.
Find the difference
(4 - 7
n
2
) - (-
n
+ 2
n
2
- 1).
A.
-5
n
2
-
n
+ 5
B.
-5
n
2
-
n
+ 3
C.
-9
n
2
+
n
+ 5
D.
-9
n
2
+
n
+ 3
Hint
4.
Find the product (8
x
5
- 2
x
3
+ 4
x
)(-3
x
2
).
A.
24
x
7
- 6
x
5
+ 12
x
3
B.
-24
x
-7
+ 6
x
-5
- 12
x
-3
C.
-24
x
7
+ 6
x
5
- 12
x
3
D.
24
x
3
+ 6
x
x
-1
Hint
5.
Classify the expression
A.
not a polynomial
B.
binomial
C.
monomial
D.
trinomial
Hint
6.
Find the sum (7
x
2
+ 13
x
y
+ 5
y
2
) + (3
x
2
- 2
y
2
).
A.
10
x
2
+ 13
x
y
+ 7
y
2
B.
10
x
2
+ 13
x
y
+ 3
y
2
C.
13
x
2
y
2
+ 13
x
y
D.
10
x
4
+ 13
x
y
+ 3
y
4
Hint
7.
Find a formula for the perimeter of the triangle.
A.
18
x
– 4
B.
18
x
3
- 4
C.
18
x
+ 4
D.
18
x
+ 8
Hint
8.
Find –3
x
(
x
2
+ 2
x
+ 1).
A.
-3
x
3
- 6
x
2
+ 1
B.
-3
x
3
+ 6
x
2
+ 3
x
C.
-3
x
3
- 6
x
2
- 3
x
D.
-3
x
3
+ 2
x
+ 1
Hint
9.
Determine whether the equation
y
= -5
x
is linear or nonlinear. Explain.
A.
nonlinear, the graph is a quadratic function
B.
linear, the graph is a straight line
C.
nonlinear, the graph is an exponential function
D.
nonlinear, the graph is an inverse variation function
Hint
10.
Determine whether the equation
y
=
is linear or nonlinear. Explain.
A.
linear, the graph is a straight line
B.
nonlinear, the graph is an inverse variation function
C.
nonlinear, the graph is a cubic function
D.
nonlinear, the graph is an exponential function
Hint
11.
Graph
y
=
x
2
+ 3.
A.
B.
C.
D.
Hint
12.
Graph
y
= -5
x
2
- 2.
A.
B.
C.
D.
Hint