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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Tatiana [17]

Answer:

depends on the number... using a variable it would be 1/2n+15

Step-by-step explanation:

It's easy. Half of a number would be dividing it in half then adding 15.

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3 years ago

babymother [125]

x/14 = 5/2

using cross product

2x =14*5

divide by 2

x = 14*5/2

x =35

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emmainna [20.7K]

I would think 0.10 would be the answer

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barxatty [35]

See the attachment Hope it helps :-)

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