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FM whdi3zldkejrht info

Mathematics

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madam [21]3 years ago

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Girl what does this even mean

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Is 0 less than or greater than -2

Anastaziya [24]

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0 is greater

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When comparing the values of two numbers, you can use a number line to determine which number is greater.

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What is Bc and what is ac

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Before and after current era

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On a beach, there is a positive correlation between the number of bottles of water a person drank and the number of whales they

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I believe the best answer to that question is B

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4 years ago

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20 POINTS !!!!<br> The roots of the equation x^2+bx+c=0 are −4 and 2. Find b.

Irina18 [472]

first, love the killua profile picture ! i love hunterxhunter i am currently on season 5, episode 44 or 45 aka 119 or 120 but anyways,

answer:

b = 2

step-by-step explanation:

because its roots are -4 and 2,

and a = 1 [The coefficient of $x^2$ ] we know that $x^2 + bx + c = (x - (-4)) (x-2)=(x+4)(x-2) = 0.$

using the distributive property we get,

$x^2 + 2x - 8 = 0.$

by equating coefficients (common strategy for partial fractions and undetermined coefficient method of solving ODE), we get b = 2 and c = -8 ( solved c just for fun guess :) ) .

hope this helps :)

<em>-audrey <3</em>

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3 years ago