Test:
Quadratic Equations I - Ambitious
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Question 1:
Solve:
x
2
=
16
A
x
=
4
,
x
=
0
B
x
=
−
4
,
x
=
0
C
x
=
4
,
x
=
−
4
D
x
=
2
,
x
=
8
Question 2:
Solve:
x
2
−
7
x
=
0
A
{
x
=
1
x
=
7
B
{
x
=
0
x
=
−
7
C
{
x
=
1
x
=
−
7
D
{
x
=
0
x
=
7
Question 3:
Solve:
x
2
+
7
x
+
10
=
0
A
{
x
=
2
x
=
5
B
{
x
=
2
x
=
−
5
C
{
x
=
−
2
x
=
−
5
D
{
x
=
−
2
x
=
5
Question 4:
Solve:
x
+
9
+
20
x
=
0
A
{
x
=
−
4
x
=
−
5
B
{
x
=
4
x
=
5
C
{
x
=
4
x
=
−
5
D
{
x
=
−
4
x
=
5
Question 5:
Solve:
3
x
2
−
16
=
0
A
{
x
=
−
4
3
3
x
=
−
4
3
B
{
x
=
4
3
3
x
=
3
C
{
x
=
4
3
3
x
=
−
4
3
3
D
{
x
=
4
3
x
=
−
4
3
Question 6:
Solve:
x
2
+
5
=
0
A
No real roots
B
x
=
5
C
x
=
2.5
D
x
=
−
5
Question 7:
Complete the square:
3
x
2
−
2
x
+
3
A
3
(
x
+
1
3
)
2
−
2
3
B
3
(
x
−
1
3
)
2
+
2
2
3
C
3
(
x
−
2
)
2
+
4
D
3
(
x
−
1
)
2
+
2
Question 8:
Complete the square:
2
x
2
+
3
x
+
5
A
2
(
x
+
1
4
)
2
+
3
3
4
B
2
(
x
+
3
4
)
2
+
3
7
8
C
2
(
x
+
1
2
)
2
−
4
1
8
D
(
x
+
3
4
)
2
+
4
1
8
Question 9:
Solve by completing the square:
2
x
2
−
4
x
−
1
=
0
A
{
x
=
3
2
+
1
x
=
−
3
2
+
1
B
{
x
=
3
2
−
1
x
=
−
3
2
−
1
C
{
x
=
2.5
x
=
−
0.5
D
{
x
=
3
2
x
=
−
3
2
Question 10:
Solve by completing the square:
3
x
2
−
7
x
−
5
=
0
A
{
x
=
3
x
=
−
5
6
B
{
x
=
109
6
+
7
6
x
=
−
109
6
+
7
6
C
{
x
=
29
6
+
2
3
x
=
−
29
6
+
2
3
D
{
x
=
116
6
x
=
−
102
6
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