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Random Quadratic Equations (Slower version)
Can you solve these random quadratic equations? The equations change every time!
Enter the two solutions in either order.
Answer must correspond to highlighted box!
All solutions are integers.
Too much time? Try the
Fast Math version
as well for a challenge!
Quiz by
Stewart
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Last updated: September 26, 2019
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First submitted
September 26, 2019
Times taken
390
Average score
86.7%
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Equation
Solutions
x² - 11x - 12
-1 and 12
x² + 28x + 196
-14 and -14
x² + 4x + 4
-2 and -2
x² - 4x + 3
1 and 3
x² - 3x - 18
-3 and 6
x² - 6x - 55
-5 and 11
x² - 10x - 11
-1 and 11
x² - 20x + 96
8 and 12
x² + 24x + 140
-10 and -14
x² - 7x - 8
-1 and 8
x² + 26x + 169
-13 and -13
x² + 17x + 42
-3 and -14
x² - 19x + 78
6 and 13
x² - 7x - 18
-2 and 9
x² + 21x + 110
-10 and -11
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Your Next Quiz
Kazakhstan Country Quiz
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Can you double all these numbers within the time limit? Test your mental math skills!
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Try to beat the clock by answering these randomly-generated subtraction problems in your head.
Category Elimination - Numbers
Guess any number that fits in each series of categories until only one number remains.
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3 Comments
Show comments >
1ProximaCentauri
+3
Level 53
Apr 27, 2021
Finished in 3:20. I find it much, much easier to factor the ones that are factorable before heading straight to the Quadratic Formula.
TheLanguageFiles
+1
Level 43
Jul 11, 2025
All of them are factorable, although what I did was look first for perfect square trinomials.
ConnardLeBarbant
+2
Level 55
Mar 1, 2024
Tip : the coefficient of x is the opposite of the sum of the solutions and the constant is their product, hence reverse engineering is easy.
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