3 years ago

Is my answer correct

Mathematics

1 answer:

Murljashka [212]3 years ago

4 0

Yes your answer should be c;

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Degree 4; zeros: -4+5i, -1 multiplicity 2

Kazeer [188]

Answer:

$f(x) = [x^{2} + 8x + 41](x + 1)^{2}$

Step-by-step explanation:

If -4 + 5i is a root of a polynomial, then it's conjugate -4 - 5i will also be a root of the same polynomial.

Therefore, the polynomial has 4 degree, and zeroes are (- 4 + 5i), (- 4 - 5i) and -1 with multiplicity 2.

Hence, the polynomial will be

$f(x) = (x + 4 - 5i)(x + 4 + 5i)(x + 1)^{2}$

⇒ $f(x) = [x^{2} + 8x + (4 - 5i)(4 + 5i)] (x + 1)^{2}$

⇒ $f(x) = [x^{2} + 8x + 41](x + 1)^{2}$ (Answer)

6 0

2 years ago

1/2 - 3/10 please help

slava [35]

Answer:

$\huge\boxed{\dfrac{1}{5}=0.2}$

Step-by-step explanation:

$\dfrac{1}{2}-\dfrac{3}{10}=\dfrac{1\cdot5}{2\cdot5}-\dfrac{3}{10}=\dfrac{5}{10}-\dfrac{3}{10}=\dfrac{5-3}{10}=\dfrac{2}{10}=\dfrac{2:2}{10:2}=\dfrac{1}{5}\\\\\\\dfrac{1}{2}=0.5;\ \dfrac{3}{10}=0.3\\\\\dfrac{1}{2}-\dfrac{3}{10}=0.5-0.3=0.2$

4 0

2 years ago

-2 (6a +1) + 5 <11<br><br> Show the deconstruction process, please.

Wewaii [24]

Answer:

-2/3

Step-by-step explanation:

-2 (6a +1) + 5 <11

1) -12a-2+5 <11

2) -12a+3 <11 add -2 and 5

3) -12a < 8. subtract 3 from each side

4) a >8/-12. divide by -12 and flip the

enequality

5) a> -2/3. simplify your fraction

8 0

3 years ago

PLEASE HELP ME ILL GIVE YOU BRAINLIEST PLUS 20 POINTS BUT IT HAS TO BE CORRECT. g(x)=square root sign x+3

Sveta_85 [38]

Answer: -3

g(x)=✔️x+3
X+3=0
X=-3

8 0

3 years ago

Read 2 more answers

Can someone please help me with this ASAP.(picture included) thx ;)

Romashka-Z-Leto [24]

The answer for the first quartile would be 51.5

3 0

2 years ago