2 years ago

What are the x-intercepts for the function f(x)=x2 + 2x - 15?

1 answer:

3 0

Answer:

D) $(-5,0),(3,0)$

Step-by-step explanation:

$f(x)=x^2+2x-15\\\\0=x^2+2x-15\\\\0=(x+5)(x-3)\\\\x=-5,x=3\\\\(-5,0),(3,0)$

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