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Language:
English
Back to Equations
Pen & paper exercises
>
Equations
>
Activities 8
At the bottom of the page there is an interactive quiz.
At the bottom of the page there is an interactive quiz.
8.1)
Solve the equations:
a)
x
2
=
4
9
b)
x
2
−
9
=
0
c)
3
x
2
=
1
2
d)
4
x
2
−
1
0
0
=
0
e)
x
2
−
6
.
2
5
=
0
f)
x
2
+
4
=
0
a)
x
2
=
4
9
b)
x
2
−
9
=
0
c)
3
x
2
=
1
2
d)
4
x
2
−
1
0
0
=
0
e)
x
2
−
6
.
2
5
=
0
f)
x
2
+
4
=
0
8.2)
Solve the equations:
a)
x
2
+
9
=
0
b)
3
x
2
=
2
7
c)
2
x
2
−
1
0
=
0
d)
2
x
2
−
5
0
=
0
e)
3
x
2
=
1
9
2
f)
−
2
x
2
+
1
6
2
=
0
g)
4
x
2
=
6
4
h)
−
x
2
=
−
4
i)
6
x
2
=
5
4
a)
x
2
+
9
=
0
b)
3
x
2
=
2
7
c)
2
x
2
−
1
0
=
0
d)
2
x
2
−
5
0
=
0
e)
3
x
2
=
1
9
2
f)
−
2
x
2
+
1
6
2
=
0
g)
4
x
2
=
6
4
h)
−
x
2
=
−
4
i)
6
x
2
=
5
4
You can find the solutions
here
.
Quiz yourself
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