4 years ago

Use a geometric model to factor 2x2 - x - 1 by following

1 answer:

7 0

Answer: It is not a perfect rectangle

Step-by-step explanation: Put 2 x2 tiles side by side horizontally then place an -x tile be side it then an - tile next to the x tile

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IceJOKER [234]

I was again led to this question, Brainly seems to enjoy doing this, and i might as well say something. Glad you figured it out and i hope you get it right.

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4 years ago

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6 = 1 – 2n + 5 The answers are n=0 n=6 No solution All real numbers

svp [43]

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3 years ago

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Find the zeros of the polynomial function and state the multiplicity of each.

zheka24 [161]

$\bf f(x) = 4(x + 7)^2(x - 7)^3\implies 0 = 4(x + 7)^2(x - 7)^3
\\\\\\
0=(x+7)^2(x-7)^3\implies 
\begin{cases}
0=(x+7)^7\\
\qquad 0=(x+7)(x+7)\\
\qquad -7=x\\
\qquad -7=x\\
----------\\
0=(x-7)^3\\
\qquad 0=(x-7)(x-7)(x-7)\\
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\qquad 7=x\\
\qquad 7=x
\end{cases}$

the -7 is found there twice, so it has a multiplicity of 2
the +7 is there thrice, so it has multiplicity of 3

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3 years ago

Kinda need help fast.

Ivan

Answer:

the amswer is c

Step-by-step explanation:

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3 years ago

Which ordered pair is the solution of the linear graphed below? (PLEASE ANSWER NOW)

valentina_108 [34]

(3,-5) where the 2 lines intercept