3 years ago

Write the polynomial in standard form: x^2+4-3x

Mathematics

1 answer:

Sonbull [250]3 years ago

6 0

Answer:

x^2-3x+4

Step-by-step explanation:

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What is the radius of a circle whose equation is x2 + y2 + 8x – 6y + 21 = 0?

s344n2d4d5 [400]

Answer:

2 units

Step-by-step explanation:

The given equation of the circle is:

$x^{2} + y^{2}+8x-6y+21=0$

The general equation of the circle is:

$x^{2} + y^{2}+2gx+2fy+c=0$

Comparing the given equation with the general equation we can say:

g = 4

f = -3

c = 21

The formula for radius of the circle is:

$radius=\sqrt{g^{2} +f^{2} -c }$

Using these values of the given circle, we get:

$radius=\sqrt{(4)^{2}+(-3)^{2}-21}\\\\radius=\sqrt{4}\\\\radius=2$

Therefore, the length of radius of the given circle is 2.

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3 years ago

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Hitman42 [59]

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2 years ago

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KatRina [158]

$106,000

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3 years ago

Please give the the answer and dont send a file

Dahasolnce [82]

Answer:

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Step-by-step explanation:

x = 106 x 4 - (99+120+103+111+108)

x = 424 - 541

x = -117

Hope that helps!

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