1.
Use the graph to determine the solution(s) of
x
2
-
x
- 6 = 0.
A.
-2
B.
-3, 2
C.
-6
D.
-2, 3
Hint
2.
Solve the equation
n
2
+3
n
= 0 by graphing.
A.
0
B.
0, 3
C.
3
D.
0, -3
Hint
3.
Solve the equation
w
2
- 4
w
= 12 by graphing.
A.
6
B.
-2, 6
C.
0, -3
D.
1, 4
Hint
4.
Solve 0 =
x
2
+ 4
x
+ 5 by graphing.
A.
1, –5
B.
–1, 5
C.
no real roots
D.
2
Hint
5.
A quadratic function has two real roots. How many times does the graph cross the
x
-axis?
A.
2
B.
1
C.
cannot be determined from given information.
D.
0
Hint