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Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x2 + 9x + 5.

Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = -8x2 + 9x + 5.

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Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
4.8 4.8 (4 lesson ratings) (4)
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Using the quadratic formula:
 
  X = -9/ 16 ± √( 81+ 160) /16
 
   Use your calculator to find the approximate values.