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suter [353]
3 years ago
8

Please help me in asap​

Mathematics
1 answer:
Degger [83]3 years ago
6 0

Answer:

D.

Step-by-step explanation:

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The equation 2x2 − 3x + 1 = 0 is in quadratic form. true or false
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The equation 2x² - 3x + 1 = 0 is in quadratic form.

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What is the substitution should be used to rewrite x^8 -3x^4 + 2 =0
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Get into ax²+bx+c=0 form

subsitute u=x⁴

x⁸-3x⁴+2=0
(x⁴)²-3(x⁴)+2=0
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factor
(u-2)(u-1)=0
set to zero

u-2=0
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u-1=0
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wait, u=x⁴

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\sqrt[4]{2}=x

1=x⁴
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the subsitution is u=x⁴
and the possible values for x are -1, \sqrt[4]{2}=x, and 1
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Two adjacent supplementary angles form a
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Obtuse because it all adds up to 180 degrees <span />
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