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2 years ago

Graph △ABC and its image after a rotation 90° about the origin.

Mathematics

2 answers:

Alika [10]2 years ago

8 0

Answer:

A:(-2,-3) B:(-4,2) C:(-1,3)

Step-by-step explanation:

valentinak56 [21]2 years ago

5 0

Answer:

(A.)

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago

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A flashlight shines straight up into the sky, 9 ft to the right of a tent located at the origin. For which values of A, B, and C

lina2011 [118]

Answer:

Im not sure but i think its A=1, B=0, and C=9

Step-by-step explanation:

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3 years ago

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Olin [163]

I think 80 I’m not sure ........

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3 years ago

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Find the nth degree polynomial function with real coefficients satisfying the given conditions.

RUDIKE [14]

$\bf (x+1)(x-3)(x-2-4i)(x-2+4i)
\\\\
\textit{now, let's take a peek at }(x-2-4i)(x-2+4i)\\
\textit{and recall our }\textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-----------------------------\\\\
(x-2-4i)(x-2+4i)\implies [(x-2)-(4i)][(x-2)+(4i)]
\\\\\
[(x-2)^2-(4i)^2]\implies [(x^2-2x+4)-(4^2\boxed{i^2})]
\\\\\
[(x^2-2x+4)-(16\cdot \boxed{-1})]\implies [(x^2-2x+4)+16]
\\\\
(x^2-2x+20)\\\\
-----------------------------$

$\bf thus
\\\\

\begin{array}{llll}
(x+1)(x-3)\\(x-2-4i)(x-2+4i)
\end{array}\implies (x+1)(x-3)(x^2-2x+20)
\\\\\\
(x^2-2x-3)(x^2-2x+20)\implies 
\begin{array}{llll}
x^4-2x^3+20x^2-2x^3\\+4x^2-40x+3x^2-6x+60
\end{array}
\\\\\\
x^4-4x^3+27x^2-46x+60$

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3 years ago