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umka21 [38]
3 years ago
14

Write a polynomial function in standard form for the given set of roots.

Mathematics
1 answer:
Rashid [163]3 years ago
3 0

Answer:

f(x)  =  {x}^{4}  +4 {x}^{3} + 3 {x}^{2}

Step-by-step explanation:

Let f(x) be the polynomial.

If x=-3, x=0,x=0, x=1 are roots ,then by the factor theorem, x+3=0,x=0,x=0, x+1=0 are factors of f(x).

This implies that:

f(x) = (x + 3)(x)(x)(x + 1)

f(x) =  {x}^{2} ( {x}^{2}  + x +  + 3x + 3)

f(x) =  {x}^{2} ( {x}^{2}  +4x + 3)

Expand further to get:

f(x)  =  {x}^{4}  +4 {x}^{3} + 3 {x}^{2}

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What is an equation of the line that passes through the point (-7,-6)(−7,−6) and is parallel to the line x-y=7x−y=7?
kotykmax [81]

Answer:

y = x + 1

Step-by-step explanation:

The gradient of a line can be defined by the equation:

m (gradient) = (y1 – y2 ) ÷ (x1 – x2) ----> "1" and "2" should be in subscript

For (-7,-6) we use x2 and y2 (because this point can be anywhere along a line):

x2 = -7, y2 = -6

Plug these values into the formula above:

m = (y-(-6)) ÷ (x-(-7))

m = (y+6) ÷ (x+7)

At this stage, the equation can't be solved as there are two unknowns. Therefore, the gradient must be found another way. Two lines are parallel if they have the same gradient - in their y=mx+c equations, m will be equal.

x - y=7 is the line alluded to in the question. Rearranging this equation into the line equation format gives:

y = x-7 ---> The gradient (coefficient of x) is 1.

Therefore, the gradient of the other parallel line must also be 1.

This can be substituted into the previous equation to give:

1 = (y+6)÷(x+7)

x+7 = y+6

x+1 = y

Therefore, the answer is y=x+1

5 0
2 years ago
How many minutes are there in 12.5 hours​
ss7ja [257]

Answer:

750 minutes

Step-by-step explanation:

there are 750 minutes in 12,5 hours hope that helps

6 0
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The 4th claim (sentence) is correct.

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erma4kov [3.2K]

5.1gallons is in each container

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What is the area of a square with a side length of 7 feet ? <br><br> HELP
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Answer:

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=  {7}^{2}  \\  \\  = 49 \:  {ft}^{2}  \\

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