What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?

Asked by maham237 @ in Mathematics viewed by 461 People

What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?
x – 3
x – 1
x + 1
x + 3

Answered by maham237 @


Easy, if the intercepts or roots or zeros of the equation are r₁ and r₂ then 2 factors of the equatoin are (x-r₁) and (x-r₂)

so

we see it intercepts the x axis at 1 and 6
r₁=1
r₂=6

therefor 2 roots are (x-1) and (x-6)

answer is 2nd option

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