Solving With Squared And Cubed Worksheet With Answer Key
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20Solving with Squared and Cubed
Name:
Find the positive value of x.
A n s w e r s
3
3
1)
2)
x
= 8
x
= 27
2
3
3
3
3
1.
=
=
3
3
8
27
x
x
3
3
x =
x =
8
27
3
2.
3
3
3)
4)
x
= 64
x
= 125
4
3
3
3
3
=
=
3.
3
3
64
125
x
x
3
3
x =
x =
64
125
5
4.
3
3
5)
6)
x
= 216
x
= 343
6
3
3
3
3
5.
=
=
3
3
216
343
x
x
3
3
x =
x =
216
343
7
6.
3
3
7)
8)
x
= 512
x
= 729
8
3
3
3
3
=
=
7.
3
3
512
729
x
x
3
3
x =
x =
512
729
9
8.
3
2
9)
10)
x
= 1,000
x
= 1
10
3
3
=
=
9.
3
2
1,000
1
x
x
3
x =
x =
1,000
1
1
10.
2
2
11)
12)
x
= 4
x
= 9
2
=
=
11.
2
2
4
9
x
x
x =
x =
4
9
3
12.
2
2
13)
14)
x
= 16
x
= 25
4
=
=
2
2
13.
16
25
x
x
x =
x =
16
25
5
14.
2
2
15)
16)
x
= 36
x
= 49
6
=
=
2
2
15.
36
49
x
x
x =
x =
36
49
7
16.
2
2
17)
18)
x
= 64
x
= 81
8
=
=
2
2
17.
64
81
x
x
x =
x =
64
81
9
18.
2
2
19)
20)
x
= 100
x
= 121
10
=
=
2
2
100
121
19.
x
x
x =
x =
100
121
11
20.
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