Mathematics, 18.07.2019 20:00 kingnya63
15 points! write a polynomial function of minimum degree with real coefficients whose zeros include those listed. write the polynomial in standard form. 5, -3, and -1 + 2i a) f(x) = x^4 - 4x^3 + 10x^2 + 20x + 75 b) f(x) = x^4 - 14x^2 - 40x - 75 c) f(x) = x^4 - 4x^3 - 10x^2 - 20x - 75 d) f(x) = x^4 + 10x^2 - 40x - 75
Answers: 1
![f(x)=(x-5)(x+3)\left[x-(-1-2i)\right]\left[x-(-1+2i)\right]\\\\=(x^2+3x-5x-15)[x^2-x(-1+2i)-x(-1-2i)+(-1)^2-(2i)^2]\\\\=(x^2-2x-15)(x^2+x-2i+x+2i+1+4)\\\\=(x^2-2x-15)(x^2+2x+5)\\\\=x^4+2x^3+5x^2-2x^3-4x^2-10x-15x^2-30x-75\\\\=x^4-14x^2-40x-75](/tpl/images/0105/1819/88f51.png)
Another question on Mathematics
Mathematics, 21.06.2019 12:30
Cara earns a base pay of $1800 per month at a car dealership plus a commission of 6% of her sales. what are caras total earning in a month in which she sells $40000 worth of merchandise
Answers: 3
Mathematics, 21.06.2019 15:40
The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?
Answers: 3
Mathematics, 21.06.2019 19:00
The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?
Answers: 1
Mathematics, 21.06.2019 21:30
Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.
Answers: 1
You know the right answer?
15 points! write a polynomial function of minimum degree with real coefficients whose zeros include...
Questions
Health, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
History, 06.10.2019 15:00
Chemistry, 06.10.2019 15:00
Biology, 06.10.2019 15:00
Chemistry, 06.10.2019 15:00
