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yKpoI14uk [10]
4 years ago
12

Find a polynomial with degree 3; zeros -3,3,5

Mathematics
2 answers:
WITCHER [35]4 years ago
6 0

Answer:

Step-by-step explanation:

f(x)= ax^3+bx^2+cx+d

f(-3)=-3a^3-3b^2-3c+d=0

f(3)=3a^3+3b^2+3c+d=0

f(5)=5a^3+5b^2+5c+d=0

f(0)=0a^3+0b^2+0c+d=2 <= any number you want your extremum at

=> d=2

f(-3)=-3a^3-3b^2-3c+=-2

f(3)=3a^3+3b^2+3c+=-2

f(5)=5a^3+5b^2+5c+=-2

solve for all variables ( Gauß )

a = 0.0266

b= -0.08

c= -0.66

As Solution

0.0266x^3-0.08x^2-0.66x+2 approximately

worty [1.4K]4 years ago
4 0
Answer:
(x^3)-(5x^2)-9x+45

Explanation:
(x-3)(x+3)(x-5)

(x^2-9)(x-5)

(x^3)-(5x^2)-9x+45

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Yesterday, Gordon had 128 baseball cards. Today, he got d more. Using d, write an expression for the total number cards he has n
raketka [301]

Answer: he has 128 + d

Step-by-step explanation:

well if he had 128 yesterday and today he got d more just add d to 128 and ull see

for example, lets say d = 16

to find out the total we woukd have to add 16 to 128 (just an example the answer is not d=16)

answer= 128+d

3 0
2 years ago
There are two paths that one can use to go from Sarah’s house to James’ house. One way is to take C street, and the other way re
Anastaziya [24]

Answer:

2.5 < 3.5, 3.5 – 2.5 = 1.

C street is shorter by 1 mile

3 0
3 years ago
Please help explanation if possible
Eva8 [605]

Answer:

612 adults

361 students

Step-by-step explanation:

To solve this question, set two equations:

Let x be number of adults and y be number of students.

As there are in total 937 people, the equation would be the sum of both adults and children:

x+y=937

x=937-y  ...... ( 1 )

As the total sale amount is $1109, the equation would be to add up the ticket fee:

2x+0.75y=1,109  ...... ( 2 )

Put ( 1 ) into ( 2 ):

2(937-y)+0.75y=1,109

1874-2y+0.75y=1,109

-1.25y=-765

y=763/1.25

y=612

Put y into ( 1 ):

x=973-612

x=361

Therefore there are 612 adults and 361 students.

5 0
3 years ago
What is 2.50x + 4x = 39
34kurt
2.5x + 4x = 39
6.5x = 39
x = 39 / 6.5
x = 6
4 0
3 years ago
Read 2 more answers
How do I solve by using system of elimination?
Nikitich [7]
You eliminate or ‘take away’ the answers that you know or think that r wrong. The last answer that’s left is your answer.
6 0
4 years ago
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