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3 years ago

Select all of the following that are potential roots of p(x) = x4 − 9x2 − 4x + 12?

Mathematics

2 answers:

alexandr1967 [171]3 years ago

3 0

Answer: roots are 2, -2, -3, and 3

Step-by-step explanation:

I'm presuming the equation is x^4-9x^2-4x+12

so first group the equation by factoring out the GCF of the first two terms and last two terms

x^2(x^2-9)-4(x-3)

x^2(x-3)(x+3)-4(x-3)

(x^2-4)(x-3^2)(x+3)

(x-2)(x+2)(x+3)(x-3)^2

Mashcka [7]3 years ago

3 0

Answer:

+/- 2,+/- 4,+/- 3,+/- 6,+/- 12

B C F G H

Step-by-step explanation:

ROOTS OF 12 -- 2, 3, 4, 6

_____________________

ROOTS OF 1 -- 1

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amy has $13.52 in quarters,dimes,nickels and pennies. she has 70 pennies, 30 dimes and 23 quarters. how many nickels does she ha

goldfiish [28.3K]

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3 years ago

A pilot knows she descended 1,000 feet and traveled a diagonal distance of 18,000 feet.

Arada [10]

The horizontal distance covered by pilot is 17,972.2 feet.

Step-by-step explanation:

Given,

Distance covered descending = 1000 feet

Diagonal distance = 18,000 feet

The horizontal distance will form a right triangle, therefore, we can find the horizontal distance by using pythagoras theorem.

Here,

a = 1000

b = horizontal distance

c = 18000

$a^2+b^2=c^2\\(1000)^2+b^2=(18000)^2\\1000000+b^2=324000000\\b^2 = 324000000-1000000\\b^2=323000000$

Taking square root on both sides

$\sqrt{b^2}=\sqrt{323000000}\\b=17972.2$

The horizontal distance covered by pilot is 17,972.2 feet.

Keywords: pyathoras theorem, square root

Learn more about square root at:

#LearnwithBrainly

3 0

3 years ago

The highest temperature recorded in Centerville last year was 99°F on July 11. The lowest temperature was -13°F on January 16. W

Leya [2.2K]

Answer:

The answer to your question is: ΔT = 112°F

Step-by-step explanation:

Data

highest temperature = 99°F

lowest temperature = -13 °F

Difference = ?

Process

ΔT = highest T - lowest T

Δ T = 99 - (-13)

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5 0

3 years ago

-12<2x+14<48 how do you solve for x

Kobotan [32]

Hey luv so we are solving for x!
We have -12<2x+14<48
This is an inequality so what you do is..
-12+-14<2x+14+-14<48+-14
-26<2x<34
-26/2<2x/2<34/2 Divide
so -13<x<17

:)

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3 years ago

Factor out the greatest common factor. 2xy - 12y + 6wy

Fed [463]

2y(x-6+3w)

That's what it would look like factored

4 0

4 years ago