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Vlada [557]
3 years ago
14

How do i solve using the rational root theorem. 2x3-9x2-11x+8=0

Mathematics
1 answer:
Lapatulllka [165]3 years ago
4 0
2(3)-9(2)-11x+8=0
(2)(3)-(9)(2)-11x+8=0
6+-18+-11x+8=0
(-11x)+(6+-18+8)=0 Combine Like Terms.
-11x+-4=0
-11x-4=0
Add 4 to both sides.
-11x-4+4=0+4
-11x=4
Divide both sides by -11.
-11x/-11=4/-11
x=-4/11

Hope this helps!

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Step-by-step explanation:

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What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?
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Answer:

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So if x = 3, we can sub that into the equation.

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The distance is 54 km if the speed and time are 72 km/h and 45 minutes respectively.

<h3>What is distance?</h3>

Distance is a numerical representation of the distance between two items or locations. Distance refers to a physical length or an approximation based on other physics or common usage considerations.

We have:

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Thus, the distance is 54 km if the speed and time are 72 km/h and 45 minutes respectively.

Learn more about the distance here:

brainly.com/question/26711747

#SPJ1

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