HELP ASAP!!!

Mathematics

1 answer:

jonny [76]3 years ago

6 0

The answer selected is right. It is the circumcenter and is the most equidistantly positioned. I took the class. There’s not a fantastic way to explain it other than it just makes sense when looking at it. Try to explain your confusion in the comments and maybe I can help a little closer to your problem. Hope this helped? :)

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What is the factored form of x^3 + 125?

Lerok [7]

$x^3+125=x^3+5^3$

Sums of cubes can be factored as

$a^3+b^3=(a+b)(a^2+ab+b^2)$

$x^3+125=(x+5)(x^2+5x+25)$

7 0

4 years ago

Read 2 more answers

If p(x)=2x^3+cx^2+16x+84 and x+2 is a factor of p(x),find the value of c.

Nuetrik [128]

Answer:

c = -9

Step-by-step explanation:

Knowing that -2 is a root, you can do the synthetic division with an unknown value for c. Then solve for the value of c that makes the remainder be zero. See the attachment for the work.

The second attachment shows that (x+2) is a factor of the resulting cubic.