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pav-90 [236]
3 years ago
12

I realy need some help I put the questions in the attachments

Mathematics
1 answer:
faltersainse [42]3 years ago
5 0
Picture 1: C. y=2x+3
Picture 2: D. y= -5
Picture 3. Graph D
Picture 4. Graph A
Picture 5. Graph A
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Form a polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3
polet [3.4K]

The polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3 is x^3-3x^2-x+3=0

Step-by-step explanation:

We need to find a polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3.

If -1, 1 and 3 are real zeros, it can be written as:

x= -1, x= 1, and x = 3

or x+1=0, x-1=0 and x-3=0

Finding polynomial by multiply these factors:

(x+1)(x-1)(x-3)=0\\(x+1)(x(x-3)-1(x-3))=0\\(x+1)(x^2-3x-x+3)=0\\(x+1)(x^2-4x+3)=0\\x(x^2-4x+3)+1(x^2-4x+3)=0\\x^3-4x^2+3x+x^2-4x+3=0\\Combining\,\,like\,\,terms:\\x^3-4x^2+x^2+3x-4x+3=0\\x^3-3x^2-x+3=0

So, The polynomial function whose real zeros are in -1, 1, 3 and whose degree is 3 is x^3-3x^2-x+3=0

Keywords: Real zeros of Polynomials

Learn more about Real zeros of Polynomials at:

  • brainly.com/question/1464739
  • brainly.com/question/2568692
  • brainly.com/question/10771256

#learnwithBrainly

8 0
3 years ago
6. You spent $1,400 on new furniture. The local furniture store allows you to make a down
Shtirlitz [24]

Answer:

Step-by-step explation: 1500-500=900 900/3=300 so 300 is your answer

7 0
3 years ago
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The Ellisons have insured their home for $890,000. Their personal property
Artemon [7]

Answer:

19000 8000 90000 60000

Step-by-step explanation:

4 0
2 years ago
Emily has 3 yellow, 8 green, 5 red, and 14 blue ankle bracelets in a bag. If Emily randomly selects an ankle bracelet out of the
Nookie1986 [14]
The total number of bracelets she has are 

3+8+5+14 = 30 

so, my available choices are 8 from green and 14 from blue
so total = 22
so the answer is = 22/30 = 11/15
 


8 0
3 years ago
PLEASE ASSIST! BRAINLIEST ANSWER INCLUDED! Translate to an equation and solve. What is 55% of 278?
Angelina_Jolie [31]

Answer:

55% of 278 is 152.9

Step-by-step explanation:

Multiple 278 by .55


4 0
3 years ago
Read 2 more answers
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