Brianna is graphing the function f (x) = x2 6x 5. what x-intercepts should brianna use to graph f (x) ?

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9 February, 19:07

Brianna is graphing the function f (x) = x2 6x 5. what x-intercepts should brianna use to graph f (x) ?

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Talon Atkins · Answer 1

F (x) = x² + 6 x + 5

x² + 6 x + 5 = 0

x² + 5 x + x + 5 = 0

x (x + 5) + (x + 5) = 0

(x + 5) · (x + 1) = 0

x 1 = - 5, x 2 = - 1

She would use x-intercepts:

( - 5, 0) and ( - 1, 0).