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USPshnik [31]
4 years ago
12

Which polynomial function has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1?

Mathematics
2 answers:
Gala2k [10]4 years ago
7 0
Root of 2i also means there is a root of -2i
Root of 3i also means there is a root of -3i

Factors will be (x^2 + 4)(x^2 + 9).
Multiply this out to get the polynomial:
x^4 + 13x^2 + 36
vampirchik [111]4 years ago
7 0

Answer:


Step-by-step explanation:

f(x) = (x + 2i)(x + 3i)(x – 2i)(x – 3i)

Choice D.

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Please help.
S_A_V [24]
3. tan(α) = height/distance
distance = height/tan(α)
distance = (648 m)/tan(13°) ≈ 1399.5 m

6. when y = |x| is translated 6 units down, 6 is subtracted from the y-value:
.. y = |x| -6

10. In point-slope form, the line through point (h, k) with slope m is
.. y -k = m(x -h)
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6 0
3 years ago
Solve this question. a/7-3<0
valkas [14]

Answer:

\boxed{\sf{a

Step-by-step explanation:

You only need to isolate the term a to solve this problem.

Add by 3 from both sides.

\sf{\dfrac{a}{7}-3+3

Solve.

0+3=3

a/7<3

Multiply by 7 from both sides.

\sf{\dfrac{7a}{7}

Solve.

3*7=21

<u>a<21</u>

As a result, the solution is a<21, which is our answer.

7 0
3 years ago
Karen grew a pumpkin that weighed 18.9 pounds for the competition at the
zheka24 [161]

Answer:

Nancy

Step-by-step explanation:

Her pumpkin weighed more

6 0
3 years ago
Write the expression in radical form: (16x^3)^1/4
Radda [10]

Answer:

\sqrt[4]{16x^{3} }

Step-by-step explanation:

Solve using the formula : a^{\frac{x}{n} } =\sqrt[n]{a^{x} }

5 0
3 years ago
What are the solutions of the equation x2 + 4x + 4 = 25
Leno4ka [110]

Answer:

x= -7 , 3

Step-by-step explanation:

x^2 + 4x + 4 = 25

I will use completing the square.  The left side is a perfect square

(x+2) ^2 = 25

Take the square root  of each side

sqrt((x+2) ^2) = sqrt(25)

x+2 = ±5

Subtract 2 from each side

x+2-2 = ±5 -2

x = ±5 -2

x =-5-2     x = 5-2

x = -7         x = 3

3 0
4 years ago
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