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3 years ago

15

Which one is polynomials NOT closed under?

1 answer:

Monica [59]3 years ago

8 0

If one polynomial had equation P = x^2 + 2 and a second polynomial had equation Z = x^3 - 3, then when you find the quotient of P and Z, you get a variable term of 1/x. 1/x cannot be a term in a polynomial.

Polynomials are NOT closed under the operation of division. (D)

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Use a transformation to solve the equation. f – 12 = –35 A. f = –47 B. f = –23 C. f = 23 D. f = 47

andrew-mc [135]

F – 12 = –35

Here, we must solve for f

f - 12 = -35
+12 +12

f = -35 + 12
f = -23

Answer: f = -23

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Nady [450]

Answer:

it might be 13 because 12×13 is 156 if you do 12 times any of the other numbers its over 159 or under. hope this helps:)

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Verizon [17]

Answer:

$y = \frac{1}{2} x + \frac{1}{2}$

Step-by-step explanation:

equation of line formula:

$y = mx + c$

m = slope

c = y-intercept

1) find m

slope formula:

$m = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1}}$

take 2 coordinates from the given graph and substitute the values into the slope formula

i) (-1,0)

$x _{1} = - 1$

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ii) (3,2)

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$y_{2} = 2$

substitute the values into the slope formula

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$m = \frac{2}{4}$

$m = \frac{1}{2}$

2) find the half equation of the line by substituting the value of m into the equation of line formula

$y = \frac{1}{2} x + c$

3) find c by substituting either coordinate into the half equation

(3,2)

x = 3

y = 2

$2 = \frac{1}{2} (3) + c$

$2 = \frac{3}{2} + c$

$2 - \frac{3}{2} = c$

$\frac{1}{2} = c$

$c = \frac{1}{2}$

4) find equation of line by substituting the value of c into the half equation

$y = \frac{1}{2} x + \frac{1}{2}$

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