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olya-2409 [2.1K]
2 years ago
8

What is the square root of 9

Mathematics
1 answer:
Troyanec [42]2 years ago
4 0
The square root of 9 is 3
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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
3 years ago
Consider reflections of ΔJKL. What line of reflection maps point K to point K' at (–5, 2)? What line of reflection maps point L
telo118 [61]

Answer:When a point is reflected it must be reflected over a line

The transformation from K to K' is a reflection over the y-axis

The transformation from I to I' is a reflection over the line y= -x

From the complete question, the given parameters are:

c

       

   

(a) From K to K'

We have:

Notice that, only the x-coordinate of point K is negated to form point K'

This means that: the transformation from K to K' is:

Step-by-step explanation: Answer: y-axis, y=-x

5 0
2 years ago
You are going to movies friday night (not a matinee). which of the theaters will cost the least, if you intend to have soda and
kolezko [41]

Q)You are going to movies Friday night. which of the theaters will cost the least, if you intend to have soda and popcorn?

    Theater A Theater B  Theater C

Adults $6.25   $7.25       $5.25

Children  $3.50   $3.75       $4.25

Soda $2.00   $2.00        $2.50

Popcorn $2.50   $2.00        $2.50

Answer:

Theater B will cost less.

Step-by-step explanation:

The question here does not tell how many adults and children are going so we will only calculate the price for soda and popcorn for the theaters above.

For Theater A:-

$2.00 + $2.50 = $4.5

For Theater B:-

$2.00 + $2.00 = $4

For Theater C:-

$2.50 + $2.50 = $5

Hence Theater B will cost less.

7 0
3 years ago
Graph the equation 6x-y=-1
igor_vitrenko [27]
What does x and y represent?
8 0
2 years ago
Plzzzzz I will mark you as a brainliest plzzzz and you will have 15 points:)
AleksandrR [38]

Answer:

Step-by-step explanation:

a. 1+(-8)

b. 1+8

4 0
3 years ago
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