1.
Add (
x
2
+ 2
x
+ 5) + (3
x
2
- 3
x
+1).
A.
4
x
2
-
x
+ 6
B.
2
x
2
+
x
+ 6
C.
3
x
2
-
x
+ 6
D.
4
x
4
-
x
2
+ 6
Hint
2.
Determine the sum.
A.
12
x
2
+ 9
x
+ 1
B.
12
x
2
- 9
x
+ 1
C.
12
x
2
+ 9
x
- 1
D.
12
x
2
- 9
x
- 1
Hint
3.
Find (-5
x
+ 6) - (-2
x
- 7).
A.
-7
x
- 13
B.
-7
x
- 1
C.
-3
x
+ 1
D.
-3
x
+ 13
Hint
4.
Classify the expression
A.
monomial
B.
trinomial
C.
not a polynomial
D.
binomial
Hint
5.
Classify the expression
A.
monomial
B.
trinomial
C.
binomial
D.
not a polynomial
Hint
6.
Find the difference (14
x
2
+ 3
x
+ 11) – (10
x
2
+ 5).
A.
24
x
2
+ 3
x
+ 16
B.
24
x
2
+ 3
x
+ 6
C.
4
x
2
+ 3
x
+ 6
D.
4
x
2
+ 3
x
+ 16
Hint
7.
Find –3
x
(
x
2
+ 2
x
+ 1).
A.
-3
x
3
- 6
x
2
- 3
x
B.
-3
x
3
- 6
x
2
+ 1
C.
-3
x
3
+ 2
x
+ 1
D.
-3
x
3
+ 6
x
2
+ 3
x
Hint
8.
A rectangle is 50 centimeters longer than twice its width. If the perimeter of the rectangle is 160 centimeters, what are the dimensions of the rectangle?
A.
70 cm by 10 cm
B.
50 cm by 30 cm
C.
60 cm by 20 cm
D.
40 cm by 40 cm
Hint
9.
Determine whether the equation
y
=
is linear or nonlinear. Explain.
A.
nonlinear, the graph is a cubic function
B.
nonlinear, the graph is an inverse variation function
C.
linear, the graph is a straight line
D.
nonlinear, the graph is an exponential function
Hint
10.
Determine whether the graph represents a linear or nonlinear function. Explain.
A.
nonlinear, the graph is a cubic function
B.
linear, the graph is a straight line
C.
nonlinear, the graph is an inverse variation 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