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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
126
Average score
86.7%
Rating
4.00
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Equation
Solutions
x² + 17x + 70
-7 and -10
x² - 22x + 120
10 and 12
x² + 8x + 7
-1 and -7
x² + 11x + 10
-1 and -10
x² - 20x + 99
9 and 11
Equation
Solutions
x² - 28x + 195
13 and 15
x² - 8x + 12
2 and 6
x² - 225
-15 and 15
x² - 22x + 117
9 and 13
x² + 20x + 91
-7 and -13
Equation
Solutions
x² + 24x + 140
-10 and -14
x² - 19x + 78
6 and 13
x² - 15x + 14
1 and 14
x² + 4x + 4
-2 and -2
x² - 11x - 12
-1 and 12
2 Comments
Show comments >
1ProximaCentauri
+2
Level 55
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.
ConnardLeBarbant
+1
Level 52
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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