Question

Which of the following is a solution of 9x2 - 5x = - 3?

x equals the quantity of 5 minus i square root 83 , all over 18

x equals the quantity of negative 5 plus i square root 83 , all over 2

x equals the quantity of 5 minus i square root 83 , all over 6

x equals the quantity of 5 plus i square root 83 , all over 18

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? Use the equation h = -16t2 + 64t + 4.

2 plus or minus square root of 17 end root over 2

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