3 years ago

IS THIS CORRECT??????????

Mathematics

2 answers:

Alika [10]3 years ago

7 0

The correct answers are the 3rd and 4th ones.

r-ruslan [8.4K]3 years ago

7 0

The correct answers would be the third and fourth

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let a,b,c,d be four integers (not necessarily distinct) in the set {1,2,3,4,5}. the no. of polynomials x^4+ax^3+bx^2+cx+d which

Eddi Din [679]

By either long or synthetic division, it's easy to show that

$\dfrac{x^4+ax^3+bx^2+cx+d}{x+1}=x^3+(a-1)x^2+(-a+b+1)x+(a-b+c-1)-\dfrac{a-b+c-d-1}{x+1}$

The quartic will be exactly divisible by $x+1$ when the numerator of the remainder term vanishes, or for those values of $a,b,c,d$ such that

$a-b+c-d-1=0$

I'm not sure how to count the number of solutions (software tells me it should be 80), but hopefully this is a helpful push in the right direction.

8 0

3 years ago

What is the first and second, both have the same answers

padilas [110]

Answer:

Step-by-step explanation:

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3 years ago

What is the y-intercept of y = -2x+6y=−2x+6?

goblinko [34]

Answer:

$6$