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malfutka [58]
3 years ago
7

Which of the following equations demonstrate that the set of polynomials is

Mathematics
1 answer:
svlad2 [7]3 years ago
8 0

9514 1404 393

Answer:

  C. Division: (x^2-5x+3)÷(x-2)=x-3+-3/x-2

Step-by-step explanation:

The set of polynomials is closed under all basic arithmetic operations except division. The reciprocal of a (non-constant) polynomial is not a polynomial.

The division example shown in choice C illustrates the set is not closed under division.

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Find roots of 4x^2-2x+9
Korolek [52]

discriminant= b^2-4ac= (-2)^2-4(4)(9)= -140<0

since discriminant <0, graph is always positive, x has no real roots

4 0
3 years ago
Hey yall! i dont need the math just the answers!
Inessa05 [86]

Answer:

13A. 14, 48, 50

13B. both mulitpled by 2?

13C. 56, 125

14. Yes

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
LAST QUESTION PLEASE HELP IF YOU CAN FOR 11 POINTS AND BRAINLIEST + THANK YOU
jekas [21]

Answer:

  see attachment

Step-by-step explanation:

The y-intercept is +4 for both lines, so only the third selection is appropriate. The lines appear to have a slope of magnitude less than 1, so ±1/2 seems about right.

(We expect at least one of the inequality symbols to include the "or equal to" case so there is no hole at x=0. Alas, it seems the third answer choice doesn't do that.)

3 0
3 years ago
Explain how you know that 88 is a solution to the equation 18x=11 by completing the sentences: The word "solution" means . . . 8
koban [17]

Correct Question:

Explain how you know that 88 is a solution to the equation 1/8x =11 by completing the sentences:

The word "solution" means . . .

88 is a solution to 1/8x=11 because . . .

Answer/Step-by-step explanation:

✔️The word solution means the value of the unknown variable, x. This means, when the value of x is substituted into the equation, the equation becomes balance as the value on the left equals the value on the right.

✔️88 is a solution to ⅛x = 11 because:

if we substitute x for 88 into the equation, both sides would be equal.

Thus:

⅛×88 = 11

11 = 11

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RSB [31]
Y=.75x-1 im might be wrong i think im wrong but im not sure 
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2 years ago
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