Test:
Polynomial - Ambitious
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Question 1:
Solve by factoring:
x
2
+
11
x
+
18
=
0
A
x
=
3,
x
=
6
B
x
=
−
11,
x
=
−
18
C
x
=
2,
x
=
−
6
D
x
=
−
2,
x
=
−
9
Question 2:
Solve by factoring:
5
x
2
−
26
x
+
24
=
0
A
x
=
4
,
x
=
1
1
5
B
x
=
−
4
,
x
=
5
C
x
=
−
3
,
x
=
3
4
D
x
=
6
,
x
=
20
Question 3:
Solve:
4
x
2
−
5
x
−
6
=
0
A
x
=
−
1
2
3
,
x
=
4
5
B
x
=
−
1
,
x
=
−
2
C
x
=
2
,
x
=
−
3
4
D
x
=
2
,
x
=
−
2
7
Question 4:
Solve:
x
2
+
2
x
+
1
=
0
A
{
x
1
=
1
x
2
=
-2
B
{
x
1
=
-1
x
2
=
-1
C
Doesn’t exist
D
{
x
1
=
-1
x
2
=
1
Question 5:
Solve:
6
x
2
+
9
x
+
2
=
0
A
{
x
1
=
-1
x
2
=
1
B
{
x
1
=
2
.0284
x
2
=
-1
.6592
C
{
x
1
=
-1
.7365
x
2
=
0
.1143
D
{
x
1
=
-1
.2287
x
2
=
-0
.2713
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