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Bingel [31]
3 years ago
7

Can you find the lengths and areas and type the correct code? Please remember to type in ALL CAPS with no spaces. *

Mathematics
1 answer:
Virty [35]3 years ago
3 0

Step-by-step explanation:

1.  156.15

2.  12335.85

3. 182.33

4. 8934.17

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The roots of a quadratic equation ax2+bx+c=0 are 3+sqrt2 and 3−sqrt2. Find the values of b and c assuming that a=1.
slamgirl [31]

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Step-by-step explanation:

we know that

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y=a(x-x_1)(x-x_2)

where

a is a coefficient of the leading term

x_1 and x_2 are the roots

we have

a=1\\x_1=3+\sqrt{2}\\x_2=3-\sqrt{2}

substitute

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Applying the distributive property convert to expanded form

y=x^2-x(3-\sqrt{2})-x(3+\sqrt{2})+(3+\sqrt{2})(3-\sqrt{2})

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therefore

b=-6\\c=7

7 0
3 years ago
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