0 = -5x2 + 9x + 5
Use the quadratic formula:
x = (9/10) ± (1/10)*[92 - 4(5)(-5)]1/2
x = (9/10) ± (1/10)*[181]1/2
x ≅ (0.9) ± 1.345
x ≅ 2.245 and -0.445
Destiny P.
asked • 10/30/14Please help
What is the approximate values of x that are solutions to f(x)=0 where f(x)=-5x^2+9x+5
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