Hi

finding the coordinates of the x-intercepts 

5x^2 – 21x + 4 = 0

factoring

(5x -1)(x-4)= 0

(5x -1)=0

x = (1/5)

(x-4)= 0

x = 4

coordinates of the x-intercepts are(.2,0) and (4,0)



 

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