1.
The sum or difference of monomials is called a ________.
A.
polynomial
B.
trinomial
C.
constant
D.
binomial
Hint
2.
Which expression is a trinomial?
A.
x
2
+ 6
x
+ 8
B.
4
x
2
- 5
C.
3
x
3
D.
ab
2
+
ab
+
b
2
-
a
Hint
3.
Find the sum (7
a
2
-4) + (-2
a
2
+
a
+ 1).
A.
9
a
2
+
a
- 5
B.
-5
a
2
-
a
+ 5
C.
-9
a
2
+
a
- 5
D.
5
a
2
+
a
- 3
Hint
4.
Find the sum (-2
x
2
+ 3
xy
-3
y
2
) + (2
x
2
- 5
xy
).
A.
-4
x
2
+ 2
xy
- 3
y
2
B.
-8
xy
- 3
y
2
C.
-2
xy
- 3
y
2
D.
-4
x
2
- 2
xy
- 3
y
2
Hint
5.
Subtract (
p
3
- 3
p
2
+ 5
p
) - (-4
p
3
- 3
p
2
- 8
p
).
A.
5
p
3
+ 13
p
B.
-3
p
3
-
p
2
- 3
p
C.
-5
p
3
+ 13
p
D.
-3
p
3
- 6
p
2
- 3
p
Hint
6.
Find the difference (2
x
+ 6) – (7
x
+ 3).
A.
9
x
+ 9
B.
-5
x
+ 3
C.
5
x
+ 3
D.
-5
x
+ 9
Hint
7.
Find the product (3
x
– 1)(5
x
).
A.
-2
x
B.
8
x
2
+ 4
x
C.
15
x
2
- 1
D.
15
x
2
- 5
x
Hint
8.
Find –3
x
(
x
2
+ 2
x
+ 1).
A.
-3
x
3
- 6
x
2
- 3
x
B.
-3
x
3
+ 6
x
2
+ 3
x
C.
-3
x
3
+ 2
x
+ 1
D.
-3
x
3
- 6
x
2
+ 1
Hint
9.
Determine whether the equation
y
= -5
x
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 quadratic function
D.
nonlinear, the graph is an exponential 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 exponential function
C.
nonlinear, the graph is an inverse variation function
D.
nonlinear, the graph is a cubic function
Hint
11.
Graph
y
= -
x
2
+ 4.
A.
B.
C.
D.
Hint
12.
Graph
y
= -5
x
2
- 2.
A.
B.
C.
D.
Hint