1.
Which is the quadratic term in the function
f
(
x
) = 3
x
2
+ 6
x
- 4?
A.
3
x
2
B.
3
C.
3
x
2
+ 6
x
- 4
D.
x
2
Hint
2.
Use the graph to determine the solution of -
x
2
+ 6
x
- 9 = 0.
A.
3
B.
2
C.
-9
D.
4
Hint
3.
Find the vertex of the graph of
f
(
x
) =
x
2
+ 4
x
- 5.
A.
(2, 7)
B.
(-2, 9)
C.
(0, -5)
D.
(-2, -9)
Hint
4.
Find the axis of symmetry of the graph of
g
(
x
) =
x
2
- 5
x
+ 2.
A.
x
= 2
B.
C.
x
= -5
D.
Hint
5.
Solve the equation
n
2
+3
n
= 0 by graphing.
A.
0
B.
0, 3
C.
3
D.
0, -3
Hint