2 years ago

What are all of the real roots of the following polynomial? f(x) = x4 - 24x2 - 25

2 answers:

5 0

It factors as ...
f(x) = (x² -25)(x² +1) = (x -5)(x +5)(x² +1)
A root will make one of the factors equal to zero. The quadratic factor has only complex roots.

The real roots are x = ±5.

AfilCa [17]2 years ago

4 0

Answer:

5, -5

Step-by-step explanation:

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3 years ago

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Brilliant_brown [7]

Answer:

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Step-by-step explanation:

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3 years ago

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2 years ago

how many days will it take a 14 year old boy to clean up trash for 12.5 hours at a low temperature of 47 degrees and high temper

GuDViN [60]

Answer:

It will take half of a day

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3 years ago

A farmer has both pigs and chickens on his farm there are 78 fee and 27 heads how many pigs and how many chickens are there

Andre45 [30]

Assuming health non-mutated animals:
$Feet = 4*Pigs + 2*Chickens$
$Heads = Pigs + Chickens$

By back substitution:
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Then:
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To check:
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3 years ago