Name ____________________
Time: ________
Date ___ / ___ / ___
Score ________
SolveXExpo (Number Dojo Level 243)
Middle School Worksheet Set D
Instructions: Give yourself 5 minutes to complete as many problems as you can. Score this worksheet like a
Number Sense test, giving yourself 5 points for every correct answer, less 4 points for every skipped or incorrect
answer. High score is a 200.
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If x3/2 = 4, then x = __________
If -2k + 3 = -11, then k2 = ______
If c2 + 31 = 112 and c < 0, then c = __
If a – 21 = -10, then a2 = _______
If 7x/3 = 14, then x2 = _________
If 14 – 2x = 4, then x2 = ________
If 8 – x2 = -1, then x = _________
If 9x – 2 = -56, then x2 = _______
If 2x = ¼, then x2 = __________
If 4x2 + 3 = 19 and x > 0, then x = ___
If 3x2 – 1 = 74 and x < 0, then x = ___
If 4 – x = 12, then x2 = _________
If 3k – 7 = 2, then k3 = _________
If x – 3 = 12, then x2 = _________
If a2 + 162 = 202, then a = ______
If x4 = 81 and x < 0, then x = ____
If x2 + 82 = 102 and x < 0, then x = ___
If x2 – 162 = 122, then x = ______
If 3x2 + 5 = 32 and x < 0, then x = ___
If x2 – 2 = 14 and x > 0, then x = ____
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If x3 = -64, then x = __________
If x2 = 144 and x < 0, then x = ______
If 2x2 – 3 = 47 and x > 0, then x = ___
If 2a2 – 4 = 68 and a < 0, then a = ___
If 2x2 – 9 = 191 and x > 0, then x = ______
If 3(x2 + 2) = 153, and x > 0, then x = ____
If x2 + 8 = 89 and x > 0, then x = ____
If 3x2 – 5 = 70 and x < 0, then x = ___
If 2a2 + 4 = 22 and a > 0, then a = ___
If n2 – 7 = 57 and n > 0, then n = ____
If 7m2 – 3 = 109 and m > 0, then m = ____
If 7m2 + 13 = 188, and m < 0, then m = ___
If 392 + 262 = k x 132, then k = _____
If 5x + 11 = 21, then x3 = _______
If x is positive and x2 = 36, then x3 = _____
If x3 = 125, then 7x + 1 = _______
If 42 + 82 + 162 = (4)2k, then k = _____
If 7x = 84, then x2 = __________
If x2 = 121 and x < 0, then x = ______
If 32 + 92 + 122 = k(32), then k = _____
- - - - - - - - - - - - - - - Fold the bottom portion under - - - - - - - - - - - - - - Answer Key
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2
49
-9
121
36
25
-3 or 3
36
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15)
16)
1/64
2
-5
64
27
225
-12 or 12
-3
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24)
-6
-20 or 20
-3
4
-4
-12
5
-6
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27)
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29)
30)
31)
32)
10
7
9
-5
3
8
4
5
© 2016 by Number Dojo, www.NumberDojo.com
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13
8
216
36
21
144
-11
26