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Fittoniya [83]
3 years ago
8

a polynomial function has -5

" align="absmiddle" class="latex-formula"> as a root. which of the following must also be a root of the function?
Mathematics
1 answer:
Goshia [24]3 years ago
8 0

Answer:

5 \sqrt{3}i

Step-by-step explanation:

Assuming one root of a polynomial function is

- 5 \sqrt{3} i

Then the other root is

5 \sqrt{3}i

The reason is that , complex roots of polynomial functions occur in pairs.

One complex root is the conjugate of the other.

This means that, if

x -  yi

is a root, then

x  +  yi

is also a root.

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Mrs. Roberts has a square garden with an area of 36 square feet. She wants to put a fence around only 3 sides of her garden. How
Nesterboy [21]

Answer:

27 feet.

Step-by-step explanation:

This is quite simple. As a square has equal lenght and width we can tell that 6x6=36. So each side has a lenght of 6 feet.  With only 3 sides needed for fencing, 6x3=27. Mrs. Roberts needs 27 feet of fencing.

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Write the equation in slope-intercept form of the line that has a slope of 6 and contains the point (1, 1).
valentinak56 [21]

Answer: y=6x-5

Step-by-step explanation:

Since we know the slope, we can plug it into the slope-intercept equation. We can plug in the given point to find the y-intercept.

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1=6+b

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Now that we know the y-intercept, we can complete the equation.

y=6x-5

5 0
3 years ago
Please help me I have a lot of hw please 11=f-16
stepladder [879]

Answer:

f = 27

Step-by-step explanation:

11 = f - 16

Add 16 to both sides.

11 + 16 = f - 16 + 16

27 = f

7 0
4 years ago
Read 2 more answers
(x+7) (3x-8) in simplest form
Klio2033 [76]

Answer:

x² + 13x - 56

Step-by-step explanation:

(x+7) (3x-8)

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combine like terms;

x² + 13x - 56

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