3 years ago

Find all real solutions to (x^2+4)(x^3-4x^2-3x+12)=0

Mathematics

1 answer:

ad-work [718]3 years ago

4 0

Answer:

x=4 or x=1.732051 or x=−1.732051

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2x^2-3x-2=0 zero product property

DIA [1.3K]

$2x^2-3x-2=0 \\
2x^2-4x+x-2=0 \\
2x(x-2)+1(x-2)=0 \\
(2x+1)(x-2)=0 \\
2x+1=0 \ \lor \ x-2=0 \\
2x=-1 \ \lor \ x=2 \\
x=-\frac{1}{2} \ \lor \ x=2 \\
\boxed{x=-\frac{1}{2} \hbox{ or } x=2}$

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3 years ago

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Determine the slope of the line that is perpendicular to the line shown in the picture below.

nexus9112 [7]

Answer:

-1/3 i think i might be wrong

Step-by-step explanation:

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3 years ago

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What is the next term in this geometric sequence<br>5/6,5/9,10/27,20/81

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$a_1=\frac{5}{6};\ a_2=\frac{5}{9};\ a_3=\frac{10}{27};\ a_4=\frac{20}{81}\\\\\\q=a_2:a_1\\\\q=\frac{5}{9}:\frac{5}{6}=\frac{5}{9}\cdot\frac{6}{5}=\frac{2}{3}\\\\\\a_5=a_4\cdot q\\\\a_5=\frac{20}{81}\cdot\frac{2}{3}=\frac{40}{243}\to answer$