2 years ago

A whale is at the surface of the ocean tto breathe. What is the whale's elevation? Draw a numhber line

Mathematics

1 answer:

ratelena [41]2 years ago

4 0

Answer:0

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Step-by-step explanation:

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The given equation is $x^{2} -3x-7=0$

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<u>Exact solution:</u>

The exact solution of the equation can be determined by solving the equation using quadratic formula,

$x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}$

From the equation the values are a = 1, b = -3 and c = -7

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