07/30/25
What is the difference between solving a quadratic by factoring and using the quadratic formula?
Factoring is efficient when the quadratic is "nice," however, using the Quadratic formula works every time (unless there isn't a solution...)
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09/08/19
Normal Distribution and Z scores
The SAT Mathematics are know to follow an approximate normal distribution with a mean of 500 and a standard devation of 100. The ACT Mathematics are known to follow an approximate normal...
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08/23/19
ball speed using quadratic formula
A ball is thrown vertically in the air with a velocity of 100ft/s. Use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the ball is at a height of 150ft
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