thumbnail

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
Rate:
Last updated: September 26, 2019
You have not attempted this quiz yet.
First submittedSeptember 26, 2019
Times taken126
Average score86.7%
Rating4.00
Report this quizReport
15:00
Enter answer here
0
 / 15 guessed
The quiz is paused. You have remaining.
Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
The average score is
Your high score is
Your fastest time is
Keep scrolling down for answers and more stats ...
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
+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.
+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.