1.
Use the graph to determine the solution of -
x
2
+ 6
x
- 9 = 0.
A.
4
B.
3
C.
2
D.
-9
Hint
2.
Use the graph to determine the solution(s) of
x
2
-
x
- 6 = 0.
A.
-2, 3
B.
-2
C.
-6
D.
-3, 2
Hint
3.
Solve the equation
n
2
+3
n
= 0 by graphing.
A.
0
B.
3
C.
0, 3
D.
0, -3
Hint
4.
Solve
by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.
A.
between 0 and 1, and 1 and 2
B.
between –1 and 0, and 1 and 2
C.
1, 2
D.
between 0 and 1, and 2 and 3
Hint
5.
A quadratic function has two real roots. How many times does the graph cross the
x
-axis?
A.
1
B.
0
C.
cannot be determined from given information.
D.
2
Hint