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Nova Math - Problem Set B: Substitution 2
Question Name | Average time to answer (seconds) | Total correct answers | Total incorrect answers |
---|---|---|---|
Column A x > 0 Column B x^2 + 2 x^3 - 2 | 57 | 146 | 43 |
Column A m > 0 Column B m10 m100 | 29 | 163 | 19 |
Column A x < 0 Column B x2 - x5 0 | 67 | 104 | 75 |
Column A -1 < x < 0 Column B x 1/x | 59 | 128 | 50 |
Column A Column B ab2 a2b | 48 | 163 | 12 |
Column A y ≠ 0 Column B x/y xy | 77 | 162 | 12 |
Column A a < 0 Column B 1/a a | 53 | 133 | 40 |
Column A x = y ≠ 0 Column B 0 x/y | 41 | 138 | 33 |
For all numbers x, [x] denotes the value of x3 rounded to the nearest multiple ... ... | 131 | 98 | 73 |
... ... | 98 | 155 | 13 |