sckendrick9874 sckendrick9874

24-01-2020
Mathematics

contestada

f(x) = 2x^2-x-1
if f(x) = -1, what is x? What point(s) are on the graph
of f ?

Respuesta :

EndmostRapier62 EndmostRapier62

24-01-2020

Answer:

x = 0, x = 0.5 or 1/2 The points on the graph are ( -1/2 or -0.5,0 ) and ( 1,0 )

Step-by-step explanation:

2x^2-x-1 = -1

2x^2-x = 0

x(2x-1) = 0

x=0

x=0.5 or 1/2

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