SOLUTION: I have to Solve: -x(Square)+8x<19 Thanks!

Question 48504: I have to Solve:
-x(Square)+8x<19
Thanks!
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!

v(4,-3) The vertex is located in the fourth quadrant. Since it is below the x-axis and the parabola opens downward and the values are less than zero (negative values), the solution is all real solutions.

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