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geniusboy [140]
3 years ago
6

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

Mathematics
2 answers:
MrMuchimi3 years ago
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]3 years ago
4 0

Answer:

5, -5

Step-by-step explanation:

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What digit makes each number divisible by nine?<br><br> _7,302
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Step-by-step explanation:

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65pts! plot the vertex and the axis of symmetry of this function:
Mashcka [7]

Answer:

f(x)=(x−3)2−5

Find the properties of the given parabola.

Direction:

Vertex: (3,−5)

Focus: (3,−194)

Axis of Symmetry: x=3

Directrix: y=−214

Select a few x

values, and plug them into the equation to find the corresponding y values. The x

values should be selected around the vertex.

x  y

1   -1

2  -4

3   -5

4   -4

5    -1

Graph the parabola using its properties and the selected points.

Direction:

Vertex: (3,−5)

Focus: (3,−194)

Axis of Symmetry: x=3

Directrix: y=−214

x  y

1   -1

2  -4

3   -5

4   -4

5    -1

4 0
3 years ago
Read 2 more answers
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