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Determine the number of x-intercepts that appear on a graph of each function. f(x)= (x-6)^2(x+2)^2

User Sancelot
by
9.1k points

2 Answers

2 votes

Answer:

Two x-intercepts x = -2 and x = 6

Explanation:


f(x)=(x-6)^2(x+2)^2\to y=(x-6)^2(x+2)^2

x-intercepts are for y = 0.

Put y = 0 to the equation:


(x-6)^2(x+2)^2=0\iff(x-6)^2=0\ \vee\ (x+2)^2=0\\\\(x-6)^2=0\iff x-6=0\qquad\text{add 6 to both sides}\\\\x=6\\\\(x+2)^2=0\iff x+2=0\qquad\text{subtract 2 from both sides}\\x=-2

User Dan Frank
by
8.4k points
3 votes

Answer:

the awnser is 2

Explanation:

User Kerbie
by
7.9k points

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