Test:
Quadratic Functions III - Normal
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Question 1:
Write the equation
2
x
−
1
2
=
x
−
1
x
+
1
in a standard form
x
2
+
b
x
+
c
=
0
A
x
2
−
4
x
+
2
=
0
B
x
2
−
4
3
x
+
2
3
=
0
C
x
2
−
4
3
x
+
2
=
0
D
x
2
−
8
3
x
+
2
3
=
0
Question 2:
Are
x
=
4,
x
=
8
square roots of the quadratic equation
x
2
−
3
x
−
4
=
0
A
x
=
4,
х
≠
8
B
x
≠
4,
х
≠
8
C
x
=
4,
х
=
8
D
x
≠
4,
х
=
8
Question 3:
Solve the equation
7
x
2
−
63
=
0
A
x
=
0,
x
=
−
3
B
x
=
±
7
C
x
=
±
3
D
x
=
0,
x
=
3
Question 4:
Solve the equation
x
2
+
5
x
=
0
A
x
=
0,
x
=
−
5
B
x
=
±
5
C
x
=
0
D
x
=
0,
x
=
5
Question 5:
Solve the equation
−
x
2
+
5
x
−
4
=
0
A
x
1,2
=
−
5
±
13
2
B
x
1,2
=
5
±
13
2
C
x
=
−
3,
x
=
5
D
x
=
3,
x
=
5
Question 6:
Which of the graphs represents the equation
y
=
x
2
A
B
C
D
Question 7:
Find a square root of a quadratic equation based on a graph
A
x
=
0,
x
=
2
B
x
=
−
1,
x
=
2
C
x
1,2
=
±
2
D
x
=
−
1,
x
=
0
Question 8:
Find a square root of a quadratic equation based on a graph
A
x
1,2
=
±
2
B
х
=
2
C
х
=
4
D
х
=
0
Question 9:
Find a square root of a quadratic equation based on a graph
A
x
=
3,
x
=
−
5
B
x
=
3,
x
=
0
C
x
=
−
3,
x
=
5
D
x
=
3,
x
=
5
Question 10:
Solve the equation
3
x
2
−
7
x
+
10
=
0
A
The equation has no solution.
B
x
=
7
3
,
x
=
10
3
C
x
=
−
3,
x
=
4
D
x
1,2
=
±
7
3
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