You watching: 5x x2 100 then x is not

asked Jun 17, 2020 in Other by nikhilk25 Expert ( 3.0k points)
answered Jun 17, 2020 by anjali12 Expert ( 4.7k points)
Answer is Seven x² + 5x - 100 > 0 Using the quadratic feature for x² + 5x - 100 = 0 we get: x = (-5 ± √425)/2 The decimal approximations are x = -12.8 and x = 7.8 So, the solutions to x² + 5x - 100 > 0 are x < -12.8 or x > 7.8 Because of this, if x is 8, 9 or 10 the inequality does host true. Hence, x is not 7
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