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

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Question 48504: I have to Solve:
-x(Square)+8x<19
Thanks!

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
-x%5E2+%2B+8x+%3C+19
-x%5E2+%2B+8x+-+19+%3C+0
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.
graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B8x-19%2C0%29