Find the x-intercepts.
-$$f ( x ) = 3 x + x ( x - 5 )$$
A) $( 0,0 )$ and $( 2,0 )$
B) $( - 2,0 )$
C) $( 0,0 )$ and $( - 2,0 )$
D) $( 2,0 )$

Name: Find the x-intercepts. -\[f ( x ) = 3 x + x ( x - 5 )\] A) $( 0,0 )$ and $( 2,0 )$ B) $( - 2,0 )$ C) $( 0,0 )$ and $( - 2,0 )$ D) $( 2,0 )$
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Quizplus · Accepted Answer

The x-intercepts occur where $ f(x) = 0 $. Simplifying $ f(x) = 3x + x(x - 5) $ gives $ f(x) = x^2 - 2x $. Factoring gives $ x(x - 2) = 0 $, so the x-intercepts are $(0,0)$ and $(2,0)$.

Find the X-Intercepts f(x)=3x+x(x−5)f ( x ) = 3 x + x ( x - 5 )f(x)=3x+x(x−5)

Find the X-Intercepts $f ( x ) = 3 x + x ( x - 5 )$